Nature & Environment
June 7, 2011 ·
13 comments
Image Credit: George Murray Levick
Source: BBC News | Comments (13)
Penguin huddle secrets revealed
By T.K. RandallJune 7, 2011 ·
13 comments
Image Credit: George Murray Levick
Scientist discover penguins' secret to staying warm in the biting cold of the Antarctic.
One glance at a colony of penguins standing together amidst the howling, sub-zero winds of the Antarctic might give you the wrong impression - that the penguins in the middle are kept warm while those on the outside are left to freeze. Now scientists have used time-lapse footage to take a closer look at the structure of one such group, revealing that the penguins actually take it in turns to bear the full brunt of the freezing winds and spend an equal amount of time in the center where its warmer.The mystery of how penguins stay warm while they huddle has been revealed by an international team of scientists. Emperor penguins survive the tough Antarctic winters by forming tightly packed clusters - but scientists have pondered how penguins on the outside stay as cosy as those in the centre.
Source: BBC News | Comments (13)
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