News tagged with natural selection

Getting to the root of enamel evolution

Along with our big brains and upright posture, thick tooth enamel is one of the features that distinguishes our genus, Homo, from our primate relatives and forebears. A new study, published May 5 in the Journal of Human Evolution, ...

dateMay 05, 2014 in Evolution
shares0 comments 1

There's more than one way to silence a cricket

For most of us, crickets are probably most recognizable by the distinctive chirping sounds males make with their wings to lure females. But some crickets living on the islands of Hawaii have effectively lost their instruments ...

dateMay 29, 2014 in Plants & Animals
shares0 comments 1

UMSL scholar examines evolution of learning

Why do monkeys learn to be afraid of snakes and not flowers? Is this knowledge the result of evolution by natural selection? Did the monkeys that couldn't learn that association quickly die and not reproduce?

dateAug 14, 2014 in Evolution
shares0 comments 0