Greed is good for penguins that huddle together to avoid Antarctica's icy weather.
According to a new study, penguin groups can maximize everyone's heat when individual birds act selfishly, huddling in ways that keep them toastiest.
"Even if penguins are only selfish, only trying to find the best spot for themselves and not thinking about their community, there is still equality in the amount of time that each penguin spends exposed to the wind," study researcher Francois Blanchette, a mathematician at the University of California, Merced, who normally studies fluid dynamics, said in a statement.
Continued: http://www.livescience.com/24860-penguin-huddles-selfish-warmth.html
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