Archive: 21/12/2007

A helping hand from the grandparents

A team of scientists led by the University of East Anglia has discovered the existence of ‘grandparent’ helpers in the Seychelles warbler – the first time this behaviour, which rarely occurs except in humans, has been ...

dateDec 21, 2007 in
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Number of conflicts in the world no longer declining

The trend toward fewer conflicts reported by peace researchers since the early 1990s now seems to have been broken. This is shown in the latest annual report “States in Armed Conflict,” from the Uppsala Conflict Data ...

dateDec 21, 2007 in Other
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Insect gut detects unhealthy meal

Plant leaves and surfaces are teeming with microbial life, yet the insects that feed on plants lack adaptive immune systems to fend off any intruding microorganisms they eat along with their greens. Now research published ...

dateDec 21, 2007 in
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Marathons cut risk of fatal vehicle crashes

Organised marathons are not associated with an increased risk of sudden death, despite the media attention they attract. In fact, marathons lower the risk of fatal motor vehicle crashes that might otherwise have taken place ...

dateDec 21, 2007 in Other
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Predator pressures maintain bees' social life

The complex organisation of some insect societies is thought to have developed to such a level that these animals can no longer survive on their own. Research published in the online open access journal BMC Evolutionary Biology ...

dateDec 21, 2007 in
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