Hundreds of Mammoth Bones Discovered in Austrian Wine Cellar
Archeologists believe there could be a total of three mammoths buried beneath the ground.
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Ancient Egyptian skull suggests that humans were trying to treat cancer over 4,000 years ago.
Researchers say that the stained rivers in Alaska are as acidic as vinegar.
The petroglyphs depict wild animals like double-humped camels and sheep as well as hunters.