News tagged with biological activity

How cobras form hood flares

( -- Cobras, and several other groups of unrelated snakes, form a menacing hood flare by expanding the sides of their necks as part of a defensive display. Now scientists in the US have identified the groups of ...

dateApr 20, 2010 in Plants & Animals report
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Uncorrelated activity in the brain

Interconnected networks of neurons process information and give rise to perception by communicating with one another via small electrical impulses known as action potentials. In the past, scientists believed that adjacent ...

dateJan 28, 2010 in Neuroscience
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In the dark polar winter, the animals aren't sleeping

You might expect that little happens in the Arctic Ocean during the cold and dark winter. But that just isn't so, according to researchers who have sampled the activities of many different species during three consecutive ...

dateSep 24, 2015 in Ecology
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