The battle of the sexes in the egg: How early nuclear rivalry helps embryos develop properly

The sperm and the egg cell's nuclei compete for size directly after fertilization and this is necessary for proper embryonic ...
Hosted on MSN

Sperm cells use heat as a switch to power up for egg penetration, finds study

Sperm cells are known to prefer cooler temperatures. For quite some time, a puzzling question for scientists has been: how do temperature-sensitive swimmers actually operate effectively within the ...
The New York Times

Sperm Can’t Unlock an Egg Without This Ancient Molecular Key

Using Google’s AlphaFold, researchers identified the bundle of three sperm proteins that seem to make sexual reproduction possible. By Elizabeth Preston They’re the original odd couple: One is massive ...
News4Jax

Scientists show how sperm and egg come together like a key in a lock

A memorial outside Patriot Oaks Academy continues to grow after a 12-year-old was killed in a crash outside the school. Read full article: Community gathers at Patriot Oaks Academy to remember 12-year ...
Yahoo

Scientists Edited Sperm to Bypass an Egg. The Result? A Mouse With Two Dads.

Add Yahoo as a preferred source to see more of our stories on Google. The first mice to be created from two fathers, a phenomenon known as androgenesis, have now produced healthy offspring for the ...
EurekAlert!

Recapitulating egg and sperm development in the dish

(BOSTON) — More than one-sixth of adults around the world experience infertility in their lifetime. There is a high unmet need not only for increased access to affordable, high-quality fertility care ...