Why do we grow old and die? In the 19th century, German biologist August Weismann argued that the machinery of life inevitably wore out with time. Death had evolved “for the need of the species,” he declared. It cleared away weak, old individuals so they wouldn’t compete with young ones. Sign up for The Morning newsletter from the New York Times That explanation never made sense to George Williams, an American evolutionary biologist. Natural selection acts only on the genes that are passed down
Genetic mutations that promote reproduction tend to shorten human lifespan, study shows sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.
Genetic mutations that promote reproduction tend to shorten human lifespan, study shows phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
People who have children are more likely to live to the age of 76 - with two offspring appearing to be the most beneficial, a new study from scientists at the University of Michigan suggests.