Facts & Stats about Pollution and Global Warming Find explanations of the greenhouse effect, the ozone layer, and substances that pollute the air; statistics about…
The Search for Life in the Solar System by Tim Porter While generations of cloned mice and asteroids the size of Texas dominate science in popular culture today, a NASA probe is quietly…
In 2017, summer begins June 21, 12:24 A.M. EDT (04:34 UT*) by Karen Barss Related Links Earth's Seasons: Video and Activities Summer Solstice The Solar System The Sun Did you…
EARTH’S LIFE STORYBIOGRAPHY: ANDRIJA MOHOVORICIC Croatian, 1857-1916MAGNETOSPHEREFIND OUT MOREThe Earth is a giant, spinning ball of rock and metal. The rocky surface we live on is the Earth’s…
THE ANDESWORLD MOUNTAIN RANGESHIMALAYAN COLLISIONFOLD FORMATIONBLOCK MOUNTAINSFIND OUT MORENew mountains are built when rocks are pushed upwards by the movement of the giant rocky plates that…
How It HappensWeatherHurricanes: The Greatest Storms on EarthIt's Different in the TropicsHow It HappensThe Name GameHurricane ForecastingThe Triple Threat The hurricane story begins with a cluster…
(Encyclopedia) continent, largest unit of landmasses on the earth. The continents include Eurasia (conventionally regarded as two continents, Europe and Asia), Africa, North America, South America,…
(Encyclopedia) Cooper, Gary, 1901–61, American film actor, b. Helena, Mont., as Frank James Cooper. His first important starring role in A Farewell to Arms (1933) was followed by such films as Mr.…
(Encyclopedia) time and motion study, analysis of the operations required to produce a manufactured article in a factory, with the aim of increasing efficiency. Each operation is studied minutely and…
