More from Iona Twaddell
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Life
Armoured wasps chop off opponents’ heads in brutal fig wars
News
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Stone-age people were making porridge 32,000 years ago
News
Space
Philae may have moved 鈥� and Rosetta will start to look south
News
Life
Beautiful sea sapphire can make itself invisible in an instant
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Earth
Chance of polar bears surviving food shortage recedes with ice
News
Life
Discovered: the unique feature that makes human screams so awful
News
Environment
See the secret spots hidden in the fur of black panthers
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91色情片
Women dependent on cocaine or meth have less grey matter
News
Earth
‘Invisible’ barn melts into the forest to reflect its setting
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Physics
What the sun would look like if you had X-ray vision
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