Although anthropologists and evolutionary biologists are still debating this question, a new study, published in the open-access journal PLoS ONE, supports the view that the first egalitarian societies may have appeared tens ...
Oct 3, 2008
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(PhysOrg.com) -- As nanoimprinting technology advances, scientists have shown that using nano-sized polarizers could significantly enhance the contrast ratio in liquid crystal displays (LCDs). For consumers, that means that ...
It moves as quickly in sand as a fish moves through water, which is why this lizard, a species of skink (Scincus scincus) that grows to about 15 cm long and lives in the deserts of North Africa and the Near East, is commonly ...
Oct 3, 2008
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The melodious singing of birds has been long appreciated by humans, and has often been thought to reflect a particularly positive emotional state of the singer. In a new study published in the online, open-access journal ...
Oct 3, 2008
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It's one of the hallmarks of spring: a swarm of bees on the move. But how a swarm locates a new nest site when less than 5% of the community know the way remains a mystery. Curious to find out how swarms cooperate and are ...
Oct 3, 2008
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Sea otters are known as a keystone species, filling such an important niche in ocean communities that without them, entire ecosystems can collapse. Scientists are finding, however, that sea otters can have even farther-reaching ...
Oct 3, 2008
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