A new study uses age-stratified allele frequencies to map ongoing natural selection and rare pathogenic variants.

Forbes contributors publish independent expert analyses and insights. Michelle Bruton covers action sports and the Olympics and Paralympics. Natural Selection Tour, the brainchild of pro snowboarder ...

"Survival of the fittest" is the catch phrase of evolution by natural selection. While natural selection favors the most fit organisms around, evolutionary biologists have long wondered whether this ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

A study reveals that sticklebacks with complete bony plates have survival rates several percentage points higher than those with reduced plates, indicating ongoing natural selection. Moreover, the ...

Introduction. Definition of natural selection ; Relationship to genetic drift and evolution ; Restricted meanings of "natural selection" ; Modes of selection ; Summary -- Philosophical comments.

In a recent study, scientists have demonstrated a link between individual variation in risk-taking behavior and survival of animals in changing environments. For more than a century, scientists have ...

The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed down to its offspring. To suggest otherwise can provoke ...

Gingers have been typecast throughout history. Aristotle believed red hair to be a sign of courage, while writers of the Middle Ages viewed it as an indication of wild passions. Yet for those who have ...