Up until the 1950s, scientists were scratching their heads trying to figure out why their experiments using perfectly healthy ...

COLUMBIA, Mo. -- Scientists have struggled to fully understand how male sperm cells function and why they sometimes fail to fertilize female eggs, which has implications for both livestock farmers ...

BioWorld - Sunday, September 7, 2025 Breaking News: Trump administration impacts continue to roil the life sciences sector See today's BioWorld Science Home » Discovery of a selective inhibitor ...

Mammalian sperm cannot fertilize an egg from the get-go. It's an ability acquired only after insemination, during passage through the female reproductive tract, and requires two consecutive, ...