(Encyclopedia) SacsahuamánSacsahuamánsäksäwämänˈ [key], stronghold of the Incas outside Cuzco, Peru. Built in the 15th cent., Sacsahuamán is an imposing terraced fortress more than one third of a…
(Encyclopedia) mantid or mantis, name applied to the large, slender, slow-moving, winged insects of the family Mantidae in the order Mantodea. Predatory insects, mantids have strong, elongate, spiny…
Born: Aug. 29, 1946Track & Field won 1968 Olympic gold medal in long jump with world record (29-ft, 21/2in.) that shattered old mark by nearly 2 feet; record finally broken by 2 inches in 1991…
Born: Jan. 17, 1940Kenyan runner policeman who beat USA's Jim Ryun to win 1,500m gold medal at 1968 Olympics; won again in steeplechase at 1972 Summer Games; his success spawned long line of…
IntroductionCell Theory, Form, and FunctionIntroductionProkaryotes and EukaryotesVirusesFluid Mosaic Model of Membrane Structure and FunctionCell Cycle: Interphase, Mitosis, Cytokinesis Deep…
NEWTONSTURNING FORCESCOMBINED FORCESFIND OUT MOREFrom the movements of the planets to the energy produced inside atoms, everything that happens in the Universe is ultimately caused by forces. A…
POISONOUS FANGSKOMODO DRAGONCLASS: REPTILIAFIND OUT MOREReptiles are ectothermic (cold-blooded) animals. They cannot generate their own body heat and many bask in the sun to get warm. Tough…
