New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...

Scientists from the University of Edinburgh and elsewhere have identified a novel gene that works as part of a pair to protect male fertility. Understanding how the two genes work together could ...

A new study shows that lab-grown sperm cells can be derived from stem cells. July 9, 2009 — -- The face of infertility-- in literature, in the media, in advocacy groups -- is so predominantly ...

The race to fertilize an egg is a ruthless one -- and now, scientists have shed more light on the punishing obstacle course attempted by hundreds of millions of sperm cells in their bid to get there ...

Almost every type of human cell is powered by mitochondria, bean-shaped organelles that use oxygen to synthesize usable energy.* These structures evolved billions of years ago from free-swimming ...

Generational wounds may live in our genes. New research suggests that childhood trauma leads to a difference in the epigenetics of a sperm cell, which can impact a child's development and also be ...

A leading bioethicist at Hiroshima University is calling for an anticipatory, rather than reactive, approach to ethics after ...