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Latest Nancy Barrickman Stories

2008-04-19 05:18:30

Brains are good for more than acing exams. Turns out, nerdy noggins also help primates like us live longer, anthropologists say. Scientists have long pondered the reason for humans' and other primates' relatively hefty heads. Elephants boast the biggest brains  by volume of all land animals, but relative to body size, humans hold the brain-size record. "There's got to be a benefit to this big brain, because big brains are really expensive to grow and maintain, energetically...

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2008-04-16 15:50:00

Some primates have evolved big brains because their extra brainpower helps them live and reproduce longer, an advantage that outweighs the demands of extra years of growth and development they spend reaching adulthood, anthropologists from Duke University and the University of Zurich have concluded in a new study.The four investigators compared key benchmarks in the development of 28 different primate species, ranging from humans living free of modern trappings in South American jungles to...


Word of the Day
pungle
  • To take pains; labor assiduously with little progress.
This word comes from the Spanish 'pongale,' put it.
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