Science & Medicine Topic

After filtering for District of Columbia, 285 entries match your criteria. Entries 201 through 285 are listed. ⊲ Previous 100

Science & Medicine Topic

By Richard E. Miller, July 1, 2008

The Daguerre Monument

201 ► District of Columbia, Washington, Northwest Washington, Penn Quarter — The Daguerre Monument —

[Inscription on Monument's front, 1890]: DAGUERRE [Inscription on 1890 monument's south side]: To commemorate the half century in photography 1839 - 1889. Erected by the photographers association of America Aug. 1890. . . . — — Map (db m28545) HM

202 ► District of Columbia, Washington, Northwest Washington, Penn Quarter — The Daguerre Monument —

This monument pays tribute to French Artist and inventor Louis-Jacques-Mandé Daguerre (1787–1851), who revolutionized picture-making in 1839 by introducing the first practical form of photography to the world. Known as the daguerreotype, Daguerre's . . . — — Map (db m80876) HM

203 ► District of Columbia, Washington, Northwest Washington, Pleasant Plains — 6 — Medical Care for All — "Lift Every Voice" — Georgia Ave./Pleasant Plains Heritage Trail —

During the Civil War (1861-1865), thousands of formerly enslaved people came to Washington in search of new lives. They needed work, education, shelter – and health care. In 1862 the U.S. government responded with Freedmen’s Hospital, located . . . — — Map (db m130764) HM

204 ► District of Columbia, Washington, Northwest Washington, Pleasant Plains — Sara Winifred Brown, M.D. — The National Association of University Women — Incorporated 1924, District of Columbia —

In Recognition of Sara Winifred Brown, M.D. Her medical degree was awarded by Howard University in 1904. She served as the first female graduate trustee of Howard University, 1924-1948. In 1910, she was one of the founders of the . . . — — Map (db m112010) HM

205 ► District of Columbia, Washington, Northwest Washington, Pleasant Plains — Tau Beta Pi —

Tau Beta Pi National Engineering Honor Society D.C. Alpha Chapter Chartered in 1956 "Dedicated to excellence" — — Map (db m110807) HM

206 ► District of Columbia, Washington, Northwest Washington, Shaw — Benjamin Banneker - A Man of Science —

Benjamin Banneker was born to free parents on November 9, 1731, in Baltimore County, Maryland and spent his childhood on his family's farm. His grandmother taught him to read and write. He later attended a one-room school. Banneker worked a . . . — — Map (db m211190) HM

207 ► District of Columbia, Washington, Northwest Washington, Shaw — Planning the Federal City —

The Residence Act of 1790 established a 10-mile square along the Potomac River as the permanent seat of the United States government. President George Washington was authorized to select the site and appoint a commission to oversee the planning . . . — — Map (db m211191) HM

208 ► District of Columbia, Washington, Northwest Washington, Shaw — Squares 336, 337 & 364 —

The city blocks occupied by today's Benjamin Banneker Academic High School trace their origins to the earliest plans for the nation's capital. Although the surrounding streets appear on the first maps drawn in 1791, the area was sparsely . . . — — Map (db m211192) HM

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209 ► District of Columbia, Washington, Northwest Washington, Shaw — The Almanac of 1792 / The Naming of a Neighborhood —

The Almanac of 1792 Almanacs were among the most popular publications in 18th century America. Almanacs consisted of an ephemeris, a mathematical table predicting the position of celestial bodies during the course of a year, along with . . . — — Map (db m211187) HM

210 ► District of Columbia, Washington, Northwest Washington, Shaw — The City & The Stars —

Banneker's curiosity about the stars was piqued after peering through a telescope owned by George Ellicott. Ellicott encouraged Banneker's exploration of astronomy, lending him several books and instruments. Banneker successfully calculated a . . . — — Map (db m211189) HM

211 ► District of Columbia, Washington, Northwest Washington, Sheridan-Kalorama — 14 — Women of Influence — Sheridan Kalorama — Call Box Restoration Project —

Sheridan-Kalorama has been home to many influential women. While she lobbied our political leaders to support Nationalist China, Madame Chiang Kai-Shek lived nearby at 2443 Kalorama Rd. Others include presidential wives Eleanor Roosevelt, a wise . . . — — Map (db m112604) HM

212 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — 50 Years of Giant Panda Conservation Success —

This year, the Smithsonian's National Zoo and Conservation Biology Institute celebrates 50 years of giant panda conservation success. Breeding giant pandas is far more complicated than just bringing two giant pandas together, as early efforts . . . — — Map (db m212329) HM

213 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Anup Joshi —

Anup Joshi was the station manager for the Smithsonian's Tiger Ecology Project in Nepal in the 1980s. He has spent countless hours studying how sloth bears and tigers live in the forest. This information will help him suggest new ways to . . . — — Map (db m212328) HM

214 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Bald Eagle — Aquatic —

Bald eagles were once endangered largely due to DDT, a pesticide that harmed bald eagles' eggs. The banning of DDT along with the passage of the Endangered Species Act helped the bald eagles' numbers to rise, and today our national bird is no longer . . . — — Map (db m184438) HM

215 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Black-footed Ferret / Giraffe — Grassland —

Black-footed Ferret Black-footed ferrets are the only ferret species in North America. Once thought to be extinct, they were rediscovered in 1981. With the help of the Zoo's conservation efforts and breeding programs, the black-footed . . . — — Map (db m184441) HM

216 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Giant Pandas —

Where Pandas Once Lived Giant pandas once lived across southeast China and in northern Burma and Vietnam. Giant pandas living in China's lowlands lost their habitat in the 12th century as people moved into the river . . . — — Map (db m184389) HM

217 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Komodo Dragons at the National Zoo —

Historic Hatchlings In 1992, the National Zoo became the first place outside the Komodo dragon's native Indonesia to successfully breed the giant lizard. Since then, four clutches of eggs have hatched at the Zoo, resulting in 55 offspring . . . — — Map (db m184449) HM

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218 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Last Chance — Oryx and gazelle reproduction programs —

Going, Going…Coming Back? The scimitar-horned oryx and the dama gazelle once thrived on the grassy plains spanning northern Africa. But threats such as overhunting, drought, and competition from domestic cattle led to massive losses for . . . — — Map (db m184427) HM

219 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Maned Wolf / Przewalski's Horse — Grassland —

Maned Wolf The maned wolf has a unique method of hunting prey. When it hears a small animal moving in the grass, it taps its foot on the ground, startling its prey into running. The wolf then pounces on the exposed animal to catch its meal. . . . — — Map (db m184439) HM

220 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Optimism for the Oryx —

What happened to the oryx? Overhunting and competition from domestic cattle led to the decline of wild scimitar-horned oryx. By 1990, the only remaining oryx were in human care. Though still considered extinct in the wild, . . . — — Map (db m184425) HM

221 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Rebuilding in the Wild — Reported permanently removed

Breeding Programs Habitat loss and competition with livestock caused drastic declines in Pzrewalski's horses. Declared extinct in the wild in the 1960s, zoo breeding programs rebuilt populations from 14 individuals. Successful breeding . . . — — Map (db m111628) HM

222 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Rebuilding in the Wild —

Breeding Programs Habitat loss and competition with livestock caused drastic declines of Przewalski's horses, and by the 1960s they were declared extinct in the wild. Zoo breeding programs rebuilt wild populations from a mere 14 . . . — — Map (db m184429) HM

223 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Saving Chinese Alligators From Extinction —

Zoos Are Part of the Plan In 1982, the Chinese alligator became the first reptile to be managed by an AZA Species Survival Plan (SSP). An SSP helps ensure survival of a species through the management of breeding in North American zoos and . . . — — Map (db m184448) HM

224 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Saving Species Through Science — Smithsonian's National Zoo — 125 Years —

Our science came of age in the 1960s with the establishment of a Zoological Research Department to study animals in the field as well as in the Zoo. Our growth in knowledge has been exponential. Today our science-based husbandry paired with . . . — — Map (db m111612) HM

225 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Scientists on the "Hunt" —

Zoo scientists search for new discoveries and new opportunities to save endangered species—like the critically endangered Sumatran tiger. Since the 1970s, Zoo scientists have looked for tigers in the wild to understand tiger . . . — — Map (db m184436) HM

226 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Smithsonian Conservation Biology Institute — Smithsonian's National Zoo — 125 Years —

The Smithsonian Conservation Biology Institute (SCBI), previously established as the Conservation and Research Center in 1973, is a research and training leader in veterinary medicine, reproductive physiology and conservation biology. SCBI . . . — — Map (db m111631) HM

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227 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — The Nut Seekers — Chipmunks and squirrels are nuts about nuts —

Squirrels and chipmunks help in the birth of new trees by spreading their seeds far and wide. Chipmunks hoard acorns, beechnuts, and maple seeds in larders in their underground burrows. Squirrels bury acorns here and there for later . . . — — Map (db m184447) HM

228 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — The Scoop on Poop — Smithsonian's National Zoo — 125 Years —

Since the early days of few resources, there's one thing the Zoo has never been short on—animal waste. That's a good thing! Reproductive and stress hormones found in poop help scientists make important decisions about species' survival and . . . — — Map (db m184421) HM

229 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Wang Dajun —

Wang Dajun, a researcher with Peking University, works closely with National Zoo scientists to study giant pandas and teach courses in the reserves. Dajun has put radio collars on wild pandas to learn about animals' behaviors and mating . . . — — Map (db m184392) HM

230 ► District of Columbia, Washington, Northwest Washington, Smithsonian National Zoo — Zhu Xiaojian —

"When we worked in the field, we held the giant panda cubs to take their measurements. It was very sweet. As a team, we worked very closely. Living together in the forest, we were like members of one family. We took care of . . . — — Map (db m184391) HM

231 ► District of Columbia, Washington, Northwest Washington, Spring Valley — Birthplace of the Army Chemical Corps —

Soon after the United States entered the First World War in 1917, the American University’s offer of its campus and buildings for war work was accepted. The permanent buildings and part of campus were turned over to the Bureau of Mines on July . . . — — Map (db m34014) HM

232 ► District of Columbia, Washington, Northwest Washington, The National Mall — "Better Food, Better Health and Better Cities" —

Health By encouraging Americans to spend time outside and eat more fresh produce, the Victory Garden Program promoted healthy habits. In addition to their physical health benefits, victory gardens helped boost morale by bringing communities . . . — — Map (db m164274) HM

233 ► District of Columbia, Washington, Northwest Washington, The National Mall — A Legacy of Healing and Hope — National Mall and Memorial Parks — Vietnam Women's Memorial —

Who shapes the public memory of war and its veterans? AT the Vietnam Veteran's Memorial, that memory has been expanding since its dedication. The statue in front of you, the Vietnam Women's Memorial, brought women into the fold in 1993. It . . . — — Map (db m211261) HM

234 ► District of Columbia, Washington, Northwest Washington, The National Mall — Discovery — Common Ground: Our American Garden —

Many cultures contributed to America's landscape. Each brought insights as people shared new and unfamiliar plants and their uses. Explorers, botanists, horticulturalists, and home gardeners continue to introduce new plants to American gardens. . . . — — Map (db m211388) HM

235 ► District of Columbia, Washington, Northwest Washington, The National Mall — Healing — Common Ground: Our American Garden —

Many plants have a history of providing comfort, restoration, and inspiration. Different communities found medicinal purposes for plants and passed down knowledge from generation to generation. People sought answers for common ailments, spiritual . . . — — Map (db m164285) HM

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236 ► District of Columbia, Washington, Northwest Washington, The National Mall — Healing — Common Ground: Our American Garden —

237 ► District of Columbia, Washington, Northwest Washington, The National Mall — How Mushrooms Help Us —

Although we may associate fungi with rotting food and fungal diseases, these incredible organisms play a beneficial role in our lives, from the plants we grow to the foods we eat to the medicine we take. Improving the Soil Fungi help . . . — — Map (db m164224) HM

238 ► District of Columbia, Washington, Northwest Washington, The National Mall — Pioneering Plants — [Ginkgo biloba] —

A Long-Lived Species The graceful ginkgo tree, with its distinctive fan-shaped leaves, lines urban streets all over the world. Ginkgo biloba is the sole survivor of an ancient seed-plant lineage that first appeared 200 million . . . — — Map (db m164282) HM

239 ► District of Columbia, Washington, Northwest Washington, The National Mall — Sneezewood — Helenium autumnale — Aster family, North America —

This long-blooming native perennial puts on a spectacular show from July to October. Sneezewood does not derive its common name from the effects of pollen. Rather, Menominee Indians dried and crushed this plant into a fine powder called "snuff" . . . — — Map (db m164287) HM

240 ► District of Columbia, Washington, Northwest Washington, The National Mall — Solomon G. Brown —

Solomon G. Brown (1829-1906), the Smithsonian’s first African-American employee, retired in 1906 after 54 years of service. Brown, well-known for his lectures on natural history, was also an avid poet and Anacostia community leader. . . . — — Map (db m70118) HM

241 ► District of Columbia, Washington, Northwest Washington, The Palisades — Georgetown Incline Plane — Chesapeake and Ohio Canal National Historical Park — National Park Service, U.S. Department of the Interior —

Here, in 1876, an engineering marvel was built. The largest incline plane in the world and the first built in the United States, carried canal boats to and from the Potomac River. The incline plane was used to help clear heavy boat traffic in . . . — — Map (db m129838) HM

242 ► District of Columbia, Washington, Northwest Washington, The Palisades — Restoring the Chestnut —

Bringing Back the American Chestnut In 1983 a dedicated group of scientists founded The American Chestnut Foundation (TACF) with the mission of restoring the American chestnut to our eastern forests to benefit our environment, our wildlife, . . . — — Map (db m187479) HM

243 ► District of Columbia, Washington, Northwest Washington, U Street Corridor — Courage • Caring • Compassion — [Whitman-Walker Clinic Memorial] —

Dedicated to the Whitman-Walker Clinic and the many health care workers who served the LGBT community in this building from 1987 - 2008, the early days of the HIV/AIDS pandemic. — — Map (db m202432) HM

244 ► District of Columbia, Washington, Northwest Washington, U Street Corridor — 1 — You Had To Wear a Tie — City Within a City — Greater U Street Heritage Trail —

You are standing on Washington's historic Black Broadway—the heart of African American life in Washington, D.C. from about 1900 to the 1950s. Duke Ellington, its most famous son, grew up, was inspired, trained, and played his first music . . . — — Map (db m212702) HM

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245 ► District of Columbia, Washington, Southeast Washington, Anacostia — 10 — Crossing Lines — An East-of-the-River View — Anacostia Heritage Trail —

Across the street is the former 11th Precinct Police Station. In 1993 it became the Max Robinson Center for Health and Living, providing services for people with HIV/AIDS. Whether by design or by accident, in 1910 the city built . . . — — Map (db m100763) HM

246 ► District of Columbia, Washington, Southeast Washington, Anacostia — 17 — Uniontown, DC's First Suburb — East-of-the-River View — Anacostia Heritage Trail —

Today's Anacostia Historic District began in 1854 as Uniontown, Washington's first planned suburb. The Union Land Association saw the large Navy Yard workforce across the Anacostia River as potential customers for building lots they carved . . . — — Map (db m95972) HM

247 ► District of Columbia, Washington, Southeast Washington, Barry Farm — 5 — The Curative Powers of Nature — An East-of-the-River View — Anacostia Heritage Trail —

The fence and wall ahead of you, on either side of Martin Luther King Jr. Avenue, enclose historic St. Elizabeths Hospital. The pioneering facility opened in 1855 to treat mentally ill members of the armed forces and DC residents. At a time . . . — — Map (db m100694) HM

248 ► District of Columbia, Washington, Southeast Washington, Capitol Hill — 1 — Edge of the Row — Tour of Duty — Barracks Row Heritage Trail —

America’s oldest navy and marine installations are just blocks from where you are standing. This is the northern edge of a Capitol Hill community shaped by the presence of the U.S. military. Eighth Street is its commercial center. The . . . — — Map (db m130729) HM

249 ► District of Columbia, Washington, Southeast Washington, Capitol Hill — 4 — Healing the Wounded — Tour of Duty — Barracks Row Heritage Trail —

In 1866 the Navy completed the hospital you see across the street to treat injured and ailing seamen. With beds for 50, it included the carriage house/stable and cast-iron fence and (around the corner) the gazebo. Its front door originally . . . — — Map (db m130732) HM

250 ► District of Columbia, Washington, Southeast Washington, Capitol Hill — Original Site Of Providence Hospital —

Providence Hospital was located on this site during the years 1861 through 1956. Founded in 1861 by the Daughters of Charity of Saint Vincent de Paul from Emmitsburg, Maryland. The Hospital was chartered by an Act of Congress in 1864. During . . . — — Map (db m116116) HM

251 ► District of Columbia, Washington, Southeast Washington, Capitol Hill — The Old Naval Hospital —

The Neighborhood This site has been associated with Navy medicine since 1800 when an apothecary shop located here provided medical services to sailors and marines from the nearby Navy Yard and Marine Barracks. Naval Hospital, . . . — — Map (db m127966) HM

252 ► District of Columbia, Washington, Southeast Washington, Congress Heights — Welcome to St. Elizabeths East —

Organized by Congress in 1855 as the Government Hospital for the Insane, the institution that would become a nationally recognized symbol of healthcare and medical breakthroughs became known as St. Elizabeths during the Civil War. Following its . . . — — Map (db m129253) HM

253 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1911 — Charles Kettering —

Kettering perfects a workable electric starter at his lab in Dayton. First installed in 1912 Cadillacs, it means the end of difficult and dangerous hand cranking; and enables more women to drive. — — Map (db m112768) HM

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254 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1926 — Robert Goddard —

Among his many firsts, pioneer of space flight Robert Goddard constructs and launches the first liquid fuel rocket. — — Map (db m112774) HM

255 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1956 — Gladys B. West —

Dr. Gladys B. West paved the way for the Global Positioning System (GPS) that has revolutionized global society. She is a pioneer in the use of complex mathematical programming to generate accurate models of the earth's shape. Dr. . . . — — Map (db m213297) HM

256 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Cantilever Bridge — Transportation Walk —

Cantilever bridges carry heavy loads. The structure is built out symmetrically from each pier. The landward side is anchored and the other side may support an intermediate truss or be joined to the next cantilever. — — Map (db m112781) HM

257 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Functioning as the Nation's First Proving Ground — Firepower — Behind These Walls —

During the Civil War, the Navy established its first "Experimental Battery" here, testing cannons by firing down the Anacostia River. Ballistic test pits also were created here to determine how best to defeat Confederate ironclads. The Navy's . . . — — Map (db m126459) HM

258 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Functioning as the Navy's First Research and Development Center — Innovation — Behind These Walls —

The Navy has a treasured aeronautical history. Important early activities included the first shipboard catapult test in 1912, the establishment of the world's largest wind tunnel by the Navy's Aerodynamics Laboratory, and the large wooden scale . . . — — Map (db m126458) HM

259 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Marine Railway - Experimental Model Basin —

Marine Railway In 1822 Commodore John Rogers designed and built the first marine railway in the United States. The purpose of the railway was to haul ships out of the water for repair or preservation of their hull. Before this time, ships . . . — — Map (db m10799) HM

260 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Protecting Undersea Rescue and Salvage Techniques — Diving — Behind These Walls —

In 1927, the U.S. Navy established an experimental dive school at the Navy Yard. The school centralized training, allowing the consolidation of dive-related and submarine-escape research efforts—including the development of the Momsen Lung . . . — — Map (db m130977) HM

261 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Ship's Propeller / Airplane Propeller / Truck Wheel — Transportation Walk —

Ship's Propeller The helical blades of the ship's propeller force water backward. The reaction drives the ship forward. Additional drive is provided by the suction created on the forward face of the screw blades. Airplane . . . — — Map (db m112922) HM

262 ► District of Columbia, Washington, Southeast Washington, St. Elizabeths — History of St. Elizabeths Hospital — St. Elizabeths — Preserving the Legacy. Realizing Potential. —

Evolution of St. Elizabeths Campus At the urging of mental health care reformer Dorothea Dix, the United States Congress provided $100,000 to establish the first Federal mental health hospital to care for members of the Army and Navy as well . . . — — Map (db m131526) HM

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263 ► District of Columbia, Washington, Southeast Washington, St. Elizabeths — Redevelopment of St. Elizabeths — St. Elizabeths — Preserving the Legacy. Realizing Potential. —

Bringing a Landmark Back to Life St. Elizabeths overs approximately 350 acres. The West Campus, on the other side of the historic wall in front of you, is comprised of 176 acres and is the oldest part of the historic campus. It is . . . — — Map (db m131529) HM

264 ► District of Columbia, Washington, Southeast Washington, St. Elizabeths — St. Elizabeths Hospital —

St. Elizabeths Hospital has been designated a National Historic Landmark This site possesses national significance in commemorating the history of the United States of America. — — Map (db m58305) HM

265 ► District of Columbia, Washington, Southeast Washington, St. Elizabeths — St. Elizabeths Hospital Civil War Cemetery —

Founded during the Civil War for wounded soldiers that died on the St. Elizabeths Campus during and after the Civil War. This small cemetery houses the remains of some 300 Civil War dead, both Confederate and Union, Black and White. When the foliage . . . — — Map (db m131712) HM

266 ► District of Columbia, Washington, Southwest Washington, Capitol Hill — Medicinal Natives —

Here you can see plants that Native Americans used to treat wounds, illnesses, and medical disorders. See if you can find these in the garden:

Hercules'-club (Zanthoxylum clava-herculis) Known informally as the . . . — — Map (db m226458) HM

267 ► District of Columbia, Washington, Southwest Washington, Southwest Federal Center — The 3 kW photovoltaic (PV) system —

The 3 kW photovoltaic (PV) system, attached to the railing running alongside the large wall to your left, converts the sun's energy directly into electricity. The array will produce up to 4,500 kilowatt-hours of electricity each year, enough to run . . . — — Map (db m111485) HM

268 ► District of Columbia, Washington, Southwest Washington, Southwest Waterfront — Benjamin Banneker Park — National Mall and Memorial Parks, Washington, D.C. — National Park Service, U.S. Department of the Interior —

“… it is the indispensable duty of those, who maintain for themselves the rights of human nature, ... to extend their power and influence to the relief of every part of the human race...” Benjamin Banneker, . . . — — Map (db m130604) HM

269 ► District of Columbia, Washington, Southwest Washington, Southwest Waterfront — 12 — The Law House In Peace and War — River Farms to Urban Towers — Southwest Heritage Trail — Reported missing

To your left across Water Street is the Thomas Law House, now a community center for the Tiber Island cooperative. The Federal style house was designed by William Lovering in 1794 for businessman Thomas Law and his bride Eliza Parke Custis, . . . — — Map (db m130911) HM

270 ► District of Columbia, Washington, Southwest Washington, Southwest Waterfront — Walter Reed —

Walter Reed who gave man control over Yellow Fever died in a hospital on this site November 23, 1902 — — Map (db m80491) HM

271 ► District of Columbia, Washington, Southwest Washington, Southwest Waterfront — Walter Reed 1851 - 1902 — Major, Medical Corps — United States Army Soldier, Physician, Teacher, Scientiest —

Major Reed died in this building on November 3, 1902. In 1900 Walter Reed led the U.S. Army Yellow Fever Board that documented the mosquito transmission of Yellow Fever, proved the existence of the first viral disease in man, and was the first . . . — — Map (db m80493) HM

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272 ► District of Columbia, Washington, Southwest Washington, The National Mall — A Common Language — Kathrine Dulin Folger Rose Garden — Smithsonian Gardens —

Plant nomenclature is the naming of plants using the binomial (meaning "two names") system. The Swedish botanist Carl Linnaeus introduced this method in 1753. Binomial nomenclature uses Latin to communicate scientific information on a global scale. . . . — — Map (db m110761) HM

273 ► District of Columbia, Washington, Southwest Washington, The National Mall — A Common Language — Kathrine Dulin Folger Rose Garden — Smithsonian Gardens —

274 ► District of Columbia, Washington, Southwest Washington, The National Mall — An Apple is a Rose? — Kathrine Dulin Folger Rose Garden —

In the early 1900s, botanists reclassified the Spirea, Plum, and Apple families as subfamilies within the Rose family. This new categorization was embodied in Robert Frost's poem from 1927:

The Rose Family by Robert Frost . . . — — Map (db m110772) HM

275 ► District of Columbia, Washington, Southwest Washington, The National Mall — Broomsedge — Reported permanently removed

A species of bluestem grasses, the broomsedge plant is distinguished by its slender stalk, straw-colored leaves, and orange fall foliage. The roots of this grass were used by the Rappahannock tribe to soothe poison ivy rash and skin . . . — — Map (db m184308) HM

276 ► District of Columbia, Washington, Southwest Washington, The National Mall — Eastern Meadow — Pradera del este —

This museum's eastern meadow environment consists of abundant grasses, wildflowers, and shrubs. Several of the plants are perennials and live many years, growing or lying dormant with the seasons. Native traditional healers use meadows . . . — — Map (db m161599) HM

277 ► District of Columbia, Washington, Southwest Washington, The National Mall — Lunar Calendars — Reported permanently removed

The circles and moon phases marked on the pavement refer to a phenomenon known as lunar standstills. Lunar standstills occur every 18.6 years when the moon reaches a northern extreme at summer solstice and a southern extreme at winter solstice. . . . — — Map (db m110068) HM

278 ► District of Columbia, Washington, Southwest Washington, The National Mall — Meadow — Reported permanently removed

This museum's meadow environment consists of abundant grasses, wildflowers, and shrubs. The plants are perennials, growing or lying dormant with the seasons. Plant Medicine Meadows are important sources of medicinal plants used by . . . — — Map (db m113955) HM

279 ► District of Columbia, Washington, Southwest Washington, The National Mall — Spencer Fullerton Baird — 1823 - 1887 —

Second Secretary of the Smithsonian Institution Pioneer in American Natural History [on reverse of statue:] ("Opus, Baskin, 1976") — — Map (db m46418) HM

280 ► District of Columbia, Washington, Southwest Washington, The National Mall — The Fruitful Fig —

In tropical forests, the fig is considered a keystone species because of its abundant, year-round fruiting. When other fruit is not available, figs sustain many species, including fish, lizards, giant tortoises, birds, fruit bats, monkeys, and . . . — — Map (db m184535) HM

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281 ► District of Columbia, Washington, Southwest Washington, The National Mall — The Modern Rose — Kathrine Dulin Folger Rose Garden —

"How cunningly nature hides every wrinkle of her inconceivable antiquity under roses and violets and morning dew." —Ralph Waldo Emerson Fossil evidence found in Colorado in the U.S. suggests that plants in the rose family have . . . — — Map (db m110773) HM

282 ► District of Columbia, Washington, Southwest Washington, The National Mall — Upland Hardwood Forest — Reported permanently removed

You are standing next to an upland hardwood forest—a group of shrubs and more than 30 species of trees—that reflects the dense forests of the Blue Ridge Mountains and other local sites. The Forests' Bounty The Nanticoke and . . . — — Map (db m113971) HM

283 ► District of Columbia, Washington, Southwest Washington, The National Mall — Uranus —

This is the planet Uranus and its 4 largest moons at one 10-billionth actual size. If Uranus were this big, how far away would Earth and other planets be? look at the map on the lower panel to find your position in the solar system? . . . — — Map (db m110095) HM

284 ► District of Columbia, Washington, Southwest Washington, The National Mall — Virginia Peanuts — Reported permanently removed

The peanut—also called "groundnut" elsewhere in the world—is a legume crop grown mainly for its edible seeds. The name "peanut" may be misleading as it is not a nut crop! Science classifies peanut as both a "grain legume" and, due to its high . . . — — Map (db m184537) HM

285 ► District of Columbia, Washington, Southwest Washington, The National Mall — Witchhazel • Suhwe?t (suh-whet) — Reported permanently removed

A popular commercial remedy and facial astringent used throughout the world, witchhazel was first harvested by Native peoples in the eastern United States. The Potawatomi and Mahican tribes used witchhazel as a sedative and as an astringent, and . . . — — Map (db m49647) HM

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