Cutting off reproduction — from birth control to castration — consistently adds years to life across species, even humans.

“In experiments with mice, we succeeded in producing live offspring,” said Professor Kang. The nucleus of the skin cell can ...

In the intricate science of reproduction, the creation of offspring has long relied on the union of sperm and eggs, whether naturally or through assisted techniques like in vitro fertilization. Both ...

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life.

An international research team, including scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, ...