Reproduction is a critical biological imperative. If reproduction falls below replacement level, a population declines—and ...

A study of nearly 80,000 men in Denmark, followed up for up to 50 years has shown that those with better semen quality live ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

LN: In the spring of '65, Life Magazine published a story about human reproduction—a cover and sixteen pages. I worked for twelve years on this story. One of the pictures was the face of an ...

Researchers from The University of Manchester—in collaboration with the Universities of Granada, Lund, and Oslo—have ...

as well as trace elements and transport factors ensuring a suitable environment for the propagation of a variety of human cell types. Human AB serum has been proven to grow many human cell lines ...