Leaps in Evolution

Eyeless ancestral creatures suddenly developed eyes 500 million years ago --a dramatic leap in evolution; what enabled human ancestors to evolve with eyes has been a mystery; now, scientists are close to a solution using cutting-edge DNA research.

Human mothers raise fetuses inside their wombs and breast feed their babies for a long time after birth; scientists believe that human ancestors experienced unforeseen dramatic changes in DNA under threats of extinction.

DNA research discovers a key ancient incident that could solve the mystery of why homo sapiens are the only creatures on earth privileged with high intelligence that allows them to be civilized.