New research challenges the long-standing idea that most fixed genetic mutations are neutral. For many years, scientists studying evolution have believed that most genetic changes influencing how ...

The theory of evolution by natural selection was first formulated in Darwin’s book “On the Origin of Species” in 1859. It ...

Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species ...

To maintain a Darwinian perspective on culture we must view humans as passive imitators and transmitters, ignoring cthe ...

In the 1800s, a conflict between the founding fathers of evolution divided the community. Charles Darwin believed sexual selection drove the variation in butterfly colors and patterns of males, while ...

If your parents' bone repair genes never turn on, you still inherit them, and you heal. But if they don't teach you to ski, ...

CLAY CENTER, Kan. — In this rural swath of northern Kansas, where the grass rolls thick and green to the horizon, a white cross dominates the landscape. Kathy Martin, a member of the state board of ...

1. Variation in the strength of age-dependent natural selection shapes differences in ageing rates across species and populations. Likewise, sexual selection can promote divergent patterns of ...

Two or three points in Mr. Romanes's letter in your issue of December 3 (p. 100), leave me no other alternative than to again ask you to insert the following few remarks. I beg to inform Mr. Romanes ...