News tagged with shells

Coming out of their evolutionary shells

One of the wonders of evolutionary innovation in animals is the turtle shell, which differs from any other reptilian defense adaptation, giving up teeth or venom in exchange for an impenetrable shield.

date20 hours ago in Ecology
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Purifying contaminated water with crab shells

Copper and cadmium exist naturally in the environment, but human activities including industrial and agricultural processes can increase their concentrations. At high concentrations, copper can cause unwanted health effects ...

dateAug 25, 2015 in Environment
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