News tagged with sociality
ASU scientists' research on honey bees featured in 'Science'
Oct 26, 2009 |
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(PhysOrg.com) -- Two Arizona State University researchers, Robert Page and Gro Amdam, are the subject of a feature article in the Oct. 25 issue of the journal Science, which traces their collaboration, discov ...
Smart and social? Comprehensive analysis questions link between sociality and brain increase in carnivores
May 25, 2009 |
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New research from two evolutionary biologists questions the recent finding that sociality has played a key role in the evolution of larger brain size among several orders of mammals (Social Brain Hypothesis). ...
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Hormone that affects finger length key to social behavior
Nov 04, 2009 |
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The hormones, called androgens, are important in the development of masculine characteristics such as aggression and strength. It is also thought that prenatal androgens affect finger length during development in the womb. ...
Are tigers 'brainier' than lions?
Sep 03, 2009 |
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(PhysOrg.com) -- A wide-ranging study of big cat skulls, led by Oxford University scientists, has shown that tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.
Social networking study reveals threat to Tasmanian devils
Aug 19, 2009 |
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A new study into the social networks of Tasmanian devils may help prevent the further spread of an extinction-threatening disease. The research, published in Ecology Letters, has produced an intricate social ...
Scientists find a common link of bird flocks, breast milk and trust
Aug 13, 2009 |
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What do flocks of birds have in common with trust, monogamy, and even breast milk? According to a new report in the journal Science, they are regulated by virtually identical neurochemicals in the brain, known ...
High-tech imaging of inner ear sheds light on hearing, behavior of oldest fossil bird
Other Sciences / Archaeology & Fossils
Jan 14, 2009 |
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The earliest known bird, the magpie-sized Archaeopteryx, had a similar hearing range to the modern emu, which suggests that the 145 million-year-old creature — despite its reptilian teeth and long tail — was ...
Just look: When it comes to art, viewing may be as satisfying as buying
Dec 15, 2008 |
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The experience of purchasing art shares much in common with viewing it in exhibits, according to a new study in the Journal of Consumer Research. Author Yu Chen (Oakland University) shows that visiting a gallery can provid ...
Running on rocket fuel
Biology /
Oct 20, 2008 |
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In the world of "cut and thrust," humans try to bank money to obtain financial security, and often form cooperatives to reduce risks and increase gains. Many humans also end up in poverty traps, where because of meager resources ...
New book further supports controversial theory of 'Man the Hunted'
Biology /
Aug 20, 2008 |
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Despite popular theories to the contrary, early humans evolved not as aggressive hunters, but as prey of many predators. "Humans are no more born to be hunters than to be gardeners," argues Robert W. Sussman, ...
A bee's future as queen or worker may rest with parasitic fly
Biology /
Jul 28, 2008 |
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(PhysOrg.com) -- Strange things are happening in the lowland tropical forests of Panama and Costa Rica. A tiny parasitic fly is affecting the social behavior of a nocturnal bee, helping to determine which individuals become ...
Predator pressures maintain bees' social life
Biology /
Dec 21, 2007 |
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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 Ev ...
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