First Olympic Appearance: 1896 by Mike Morrison and Mark Zurlo Related Links Olympics Overview 20082008 Summer Games: ShootingEncyclopedia: Shooting Did You Know? The…
(Encyclopedia) hydrogen bomb or H-bomb, weapon deriving a large portion of its energy from the nuclear fusion of hydrogen isotopes. In an atomic bomb, uranium or plutonium is split into lighter…
Primer on the Embassy Bombings and the U.S. Strikes on Sudan and Afghanistan by Ben Snowdon and David Johnson RELATED LINKS Kenya | Map Tanzania | Map Osama…
SPRING-LOADED TRAPSTICKY TRAPPITCHERSFIND OUT MOREMeat-eating, or carnivorous, plants can trap and digest insects and other small animals. They do this to obtain the vital nitrogen that…
WHAT CAUSES EARTHQUAKES? WHAT HAPPENS DURING AN EARTHQUAKE? WHERE DO MOST EARTHQUAKES STRIKE? HOW ARE EARTHQUAKES MEASURED? FIND OUT MOREEarthquakes are vibrations triggered by sudden rock…
First Olympic Appearance: 1896 by John Gettings and Mark Zurlo Related Links Olympics Overview 2008 Encyclopedia: Fencing One of the four sports that has been featured at every modern…
Measuring the RainWeatherMeasuring the AtmosphereThe Take on TemperatureIs the Pressure Getting to You?The Wind in the WillowsIt's Not the Heat, It's the HumidityMeasuring the RainPlacing the…
The Common ColdChildhood DiseasesIntroductionThe Polio PanicChickenpoxEar AchesMeasly MeaslesMumpsRubellaDeadly DiphtheriaPertussis, or Whooping CoughTerrifying TetanusThe Importance of Childhood…
Impact craterDeath from spaceOther dinosaur extinction theoriesAbout 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal…
