Zed's dead: LA museum unearths ice-age mammoth skull

Excited archeologists in California are rubbing their hands: after three years' back-breaking work they are finally, painstakingly revealing the face of Zed, the ice age mammoth.

Why you should never arm wrestle a saber-toothed tiger

Saber-toothed cats may be best known for their supersized canines, but they also had exceptionally strong forelimbs for pinning prey before delivering the fatal bite, says a new study in the journal PLoS ONE.

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