13 JUN 2013 by mxplx

 Cheetah's acceleration, not speed,key to their success

Read more at: http://phys.org/news/2013-06-cheetah-power-key-success.html#jCp
Folksonomies: success strategy
Folksonomies: success strategy

latest issue of Nature, highlighted that the hunting success of the cheetahs is attributed to acceleration and ability to change direction very rapidly.

power to rapidly accelerate—not just speed alone—is the key to the cheetah's hunting success, said study lead author, Alan Wilson. He's professor of locomotive biomechanics at the Royal Veterinary College at the University of London.

20 MAY 2011 by ideonexus

 Evolutionary Arms Race Produces Tall Trees

Look at a single tall tree standing proud in the middle of an open area. Why is it so tall? Not to be closer to the sun! That long trunk could be shortened until the crown of the tree was splayed out over the ground, with no loss in photons and huge savings in cost. So why go to all that expense of pushing the crown of the tree up towards the sky? The answer eludes us until we realize that the natural habitat of such a tree is a forest. Trees are tall to overtop rival trees - of the same and ...
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As they compete for sunlight.