(Encyclopedia) glider, type of aircraft resembling an airplane but having at most a small auxiliary propulsion plant and usually no means of propulsion at all. The typical modern glider has very…
(Encyclopedia) aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft.…
(Encyclopedia) caterpillarcaterpillarkătˈəpĭlˌər, kătˈər– [key], common name for the larva of a moth or butterfly. Caterpillars have distinct heads and are segmented and wormlike. They have three…
U.S. News | Business/Science News Here are the key events in world news for the month of July 2009. U.S. Military Taking Back Afghan Valley from Taliban (July 2): In an…
by Mark Hughes Since its inception in 1958, NASA has built several lines of spaceships that made space exploration reality rather than a dream limited to science fiction, as well…
ECOSYSTEMECOLOGICAL NICHEHARSH HABITATFOOD CHAINFIND OUT MOREEcology examines the relationship between living things and their environment. Animals adapt to the particular conditions of an…
WHERE DID THE RENAISSANCE TAKE PLACE? WHAT WAS THE RENAISSANCE VIEW OF THE WORLD? BIOGRAPHY: LEONARDO DA VINCI 1452–1519 WHAT CAN WE SEE OF THE RENAISSANCE TODAY? PATRONAGEFIND OUT MOREOne of the…
DO ANIMALS HAVE BETTER SENSES THAN US? CAN ANIMALS SEE AT NIGHT? WHICH ANIMALS HAVE EXTRA SENSES? ECHOLOCATIONFIND OUT MOREAnimals use their senses to find out about the world around them. Most…
