What would be the benefits to human beings of developing an ability to "see" by infra red light?
by 
fred flintstone
ANSWERS: 2
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Night vision -- especially helpful for predators.
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You do - kinda. Infra red is also called heat - most of us can feel it. As for seeing it directly with our eyes? Night vision. But kinda limited - since we have lighting in most areas where people live now and in the wild you'd miss "cold" thinks like trees and the like. But it would be cool to have :-) +5
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