Investigating the signatures of natural selection can help elucidate ... of all the forces shaping humans. They have had a tremendous impact on our evolution, and they, themselves, evolve over ...

Human evolution is far from a relic of the past, as a new study in Behavior Genetics demonstrates. By analyzing data from ...

Darwin thought that evolution took place over hundreds or ... The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies, it is also related ...

A new study reveals that Tibetan communities have developed unique adaptations to survive in the low-oxygen conditions of the ...

In this scenario, the deleterious allele will remain at an intermediate equilibrium frequency that reflects the balance between gene flow and natural selection. The common conception of evolution ...

Evolution of human traitsIcons depict cultural and ... Early in origin of species, Charles Darwin comes out fighting: “Natural Selection, as we shall hereafter see, is a power incessantly ...

Ever since Charles Darwin detailed the mechanism of evolution by means of natural selection in 1859, scientists have had a ...

Natural selection is the process by which some ... Nowadays there is also a new force in evolution: humans. We are exerting new selection pressures on many species, changing them in unpredictable ...

an international team of researchers showed that the population’s reproductive fitness varied enough for natural selection to act. “This is a good confirming instance, with solid evidence” that humans ...

they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection, even over millions of years? If evolution occurs ...

People on the Tibetan Plateau have developed unique physiological traits over 10,000 years to thrive in low-oxygen conditions ...

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes ...