News tagged with shell

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Shells slim down with CO2

Marine algae that turn carbon dissolved in seawater into shell will produce thinner and thinner shells as carbon dioxide levels increase.

Aug 09, 2011 4.2 / 5 (6) 0 | with audio podcast

Hanoi's renowned turtle free again

An ageing giant turtle revered as a symbol of Vietnam's independence struggle has won back her freedom back three months after being captured for medical treatment, an official said on Wednesday.

Jul 13, 2011 not rated yet 0