Environment
Bee and butterfly drink crocodile tears
Two tiny creatures brave teeth as large as themselves to take a sip from a spectacled caiman's tear ducts
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All the latest on newscientist.com: the knife edge all life balances on, epic Mars floods, camels and MERS, big pharma, cyborg angst 2039 and more
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Environment
Extreme hygiene: Cleaning a hippo’s mighty molars
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Earth
Fresh-baked satellite will soon be our eye on Earth
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