News tagged with embryos

How birds lost their penises

In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly ...

Jun 06, 2013 4.5 / 5 (6) 0 | with audio podcast

Fast track to mouse modeling

What genes are responsible for the development of breast cancer? What are the brain cell mutations that lead to the onset of Alzheimer's? To find new therapies, scientists have to understand how diseases ...

Apr 02, 2013 not rated yet 0