No Sleep in the Deep

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Dolphin
Unlike Other Mammals, Newborn Dolphins and Killer Whales Stay Active 24/7 During First Months of Development

If you thought the sleep-deprived months with your newborn were tough, pity the poor mother dolphin or killer whale.
Reporting in the June 30 edition of the peer-reviewed journal Nature, UCLA/Veterans Affairs neuroscientists report a developmental pattern in bottlenose dolphins and killer whales that is unique from other mammals, with calves of both species active 24 hours a day during their first month.


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Polls may underestimate Obama's support by 3 to 4 percent, researchers say

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(PhysOrg.com) -- Current polls of the presidential election may be underestimating Barack Obama's support by 3 to 4 percent nationally and possibly larger margins in the Southeast and some strongly Republican states, according ...

Unique fossils capture 'Cambrian migration'

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(PhysOrg.com) -- A unique set of fossils indicates that 525 million years ago marine animals congregated in Earth’s ancient oceans, most likely for migration, according to an international team of scientists.

Early planting lets farmers be both mean and green, study shows

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(PhysOrg.com) -- Farmers can be both mean and green when protecting their canola fields from a pesky insect that poses a chronic threat, says a University of Alberta researcher.

Can genetic information be controlled by light?

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Researchers at Kiel University have succeeded in showing that DNA strands differ in their light sensitivity depending on their base sequences. Their results are reported by Nina Schwalb and colleagues in the current issue ...

Transparency in politics can lead to greater corruption

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Why are some countries more prone to political corruption? Viviana Stechina from Uppsala University, Sweden, has investigated why corruption among the political elite was more extensive in Argentina than in Chile during ...
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