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Lap dancers “in heat” are the ones to watch

Posted on 11 Oct 2007 in Animal Behaviour, Evolution, Journalism

Take a bunch of lap dancers, some lustful men and a fistful of dollars, and you have the best evidence yet for the controversial idea that women send out signals which reveal their fertile periods. Image: Robbie Biller

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Spite is a uniquely human emotion

Posted on 16 Jul 2007 in Animal Behaviour, Evolution, Journalism

It used to be easy to separate man from beast. Then we realised animals, too, can experience sophisticated emotions and communicate through language. But there is one thing that is beyond even our closest relatives, chimpanzees – and that is the ability to be spiteful. Image: fwooper

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Zooplankton move in time to the moon’s tune

Posted on 8 Jul 2007 in Animal Behaviour, Evolution, Journalism

How do ocean animals that live below the depth to which moonlight penetrates migrate in phase with the moon? Zooplankton travel up and down the water column despite remaining at or below 800 metres – moonlight penetrates no deeper than 150 metres. Image: lrargerich

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Rats influenced by the kindness of strangers

Posted on 6 Jul 2007 in Animal Behaviour, Evolution, Journalism, Life

If rats benefit from the kindness of strangers they are more likely to assist an unfamiliar rat in future. In doing so, they provide the first evidence of an unusual form of altruism that appears to violate evolutionary theory. Image: Capt’ Gorgeous

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