News tagged with human sperm

Clues to chromosome crossovers

Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right number ...

Feb 13, 2013
4 / 5 (4) 2 | with audio podcast

Microswimmers hit the wall (w/ video)

(Phys.org)—New research reveals what happens when swimming cells such as spermatozoa and algae hit a solid wall, and has implications for applications in diagnostics and biofuel production.

Jan 08, 2013
not rated yet 1 | with audio podcast

The secret of fertile sperm

To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At ...

Feb 18, 2014
4 / 5 (3) 0

How sperm get into the zona

Before it can fertilize an egg, a sperm has to bind to and bore through an outer egg layer known as the zona pellucida. Despite decades of research, some of the biological mechanisms behind this process remain ...

Jun 16, 2014
5 / 5 (1) 0

The fastest sperm may not be best

For sea squirts the key to a long and happy life is to be fertilized not by a fast sperm, but by one that stands the test of time, Dr Angela Crean, from the Evolution and Ecology Research Centre at the University ...

Aug 14, 2013
5 / 5 (2) 0