6.How the Hawaiian Is lands Were Built Volcanoes have been erupting on the earth for millions of y...
2009-10-03
3.Who First Made Ice Cream Most Americans think that ice cream is as American as baseball and appl...
2.The Necktie through Thick and Thin From hat to shoes,men's clothes are useful.Only one piece of ...
5.The Three Ways of Man to Preserve Meat Finding enough meat was a problem for primitive man.Keepi...
4.Earthworms that Help Improve the Soil The earthworm is a useful animal.Out of the ground,it is f...
9.The Small Black Ants,Nature's Clean—up Crew The small black ants that we see running back and fo...
8.The Antarctic,a Desert of Ice All Year Round The antarctic is actually a desert.It is the only c...
7.A Giraffe that Did Not Believe in Himself In Africa I heard a story about a giraffe that did not...
10.Sen Otters off the Coast of California sea otters off the coast of Californiahave an unusual me...
11.A Temperature Change on the Moon Astronomers can tell just how hot the surface of the moon gets...
12.How the Falls of Iguassu Was Discovered In 1542,Alvar Cabeza de Vaca and his small band of sold...
13.The Hognose Snake,One of Nature's Clowns The hognose snake,sometimes called the puff adder,is o...
14.A Tornado that Makes Red Rain A tornado can do a lot of damage The wind of a tornado rushes at ...