Small sea snail damaging world's coral reefs

(PhysOrg.com) -- Victoria University research has found that a small sea snail may be causing significant damage to coral reefs in the Pacific, even more so than climate change or coral bleaching.

Plant remains link farming to landscape damage in Peru

A study of food remains from ancient settlement sites along the lower Ica valley in Peru, confirms earlier suggestions that farming undermined the natural vegetation so badly that eventually much of the area had to be abandoned.

Breaking the code of royal purple

Royal purple, the color of robes swathing the emperors of Rome, ancient kings and high priests, and prized for its richness of hue and a brightness that wouldn't fade, has long carried its own molecular mystery.

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