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#jCplatest 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 ... 1 
notes
notesAs they compete for sunlight.
