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Anthropologist

People in the NewsRecent ObituariesBiographies by CategoryAdams, Robert McCormick, Jr., American anthropologist Bandelier, Adolph Francis Alphonse, American anthropologist and historian Bastian,…

Mill, James

(Encyclopedia) Mill, James, 1773–1836, British philosopher, economist, and historian, b. Scotland; father of John Stuart Mill. Educated as a clergyman at Edinburgh through the patronage of Sir John…

selenium

(Encyclopedia) seleniumseleniumsəlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is…

Passenger Planes: Boeing 707

by David Noland Boeing 707-120 Specs Length: 144 ft, 6 in. Wingspan: 130 ft, 10 in. Max weight: 248,000 lbs Cruise speed: 600 mph Range: 3,000 mi Passengers: 183 Related…

Lost Islands of the World

Howland Island Island of the Earhart mystery Where Is It?A sandy speck in the middle of the North Pacific, Howland is about 1,650 miles southwest of Hawaii. What to ExpectThis coral atoll,…

Lost Islands of the World

Howland Island Island of the Earhart mystery Where Is It?A sandy speck in the middle of the North Pacific, Howland is about 1,650 miles southwest of Hawaii. What to ExpectThis coral atoll,…

DK Science & Technology: Nuclear Energy

WHAT ARE FUSION AND FISSION? HOW IS A NUCLEAR REACTION CONTROLLED? RADIOACTIVITYFIND OUT MOREThe energy that makes the stars shine and produces the heat inside a nuclear reactor is nuclear energy.…

Major U.S. Epidemics

Here's a list of the major outbreaks in U.S history, including locations and the number of deaths. 1793Philadelphia: more than 4,000 residents died from yellow fever.1832July–Aug., New York…

Australian External Territories

Norfolk Island (13.36 sq mi; 34.6 sq km) was placed under Australian administration in 1914. The population is 2,210 (July 2014 est.). Formerly a notorious penal colony, Norfolk Island became…