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Search engines’ dirty secret

Even search engines must obey the laws of thermodynamics 鈥� and that means the whole world pays for your every query, says James Clarage

Templeton prizewinner: We need science plus morality

To hack the planet, first win trust

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Tidal power? No thanks

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Unethical lab coats: Who makes the tools of science?

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Risk to Everglades is Florida’s shame

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Seychelles environment chief takes the fight to pirates

Help save the bats of America

It’s not mind or body 鈥� it’s both

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Natural experiments: Working in the history lab

The slippery slope that begins with an eco-purchase

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Stewart Brand: From hippy icon to nuclear enthusiast

Fingerprints put forensics on trial