26 JUN 2013 by ideonexus

 Evidence of Sexual Selection in Humans

By primate standards, humans look strange, even after we step out of our sport utility vehicles. Compared with other apes, we have less hair on our bodies, more on our heads, whiter eyes, longer noses, fuller lips, more expressive faces, and more dextrous hands. In most species, sexual ornaments like long head hair, hairless skin, and full lips would have evolved only in males, because females would have been the choosy sex. Males have few incentives to reject any female mates. The fact that ...
  1  notes

Many characteristics of our bodies which differentiate us from other primates, are probably the result of mating preferences of our ancestors.

08 JUL 2011 by ideonexus

 Baby's Cognitive Development Summarized

What are the babies' representations and rules like? First, the babies' representations are rich and complex. As we've seen, they include ideas about how their face resembles the faces of others, how objects move, and how the sounds of a language are divided. The young babies' world is not simple. Babies translate the input at their eyes and ears into a world full of people with animated, expressive faces and captivating. intricate, rhythmic voices. It's also a world full of objects with co...
  1  notes

The sequence of events in a child's development indicates that it's not all learned, there is a programming in the brain that follows a natural course, ready for the world.