Human sperm can swim through surprisingly viscous fluids with ease – and they seemingly defy Newton's third law of motion to ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In addition to eggs, tissue cysts present in the meat of warm-blooded animals can spread ...

Add Yahoo as a preferred source to see more of our stories on Google. I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that underscore the importance of ...

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

We all know the drill for reproduction—sperm meets egg. But mice aren’t people. And the same recipe doesn’t work for human reproductive cells. One reason, according to Dr. Mitinori Saitou at Kyoto ...

In a recent study published in Cells, researchers explored the molecular and cellular mechanisms of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Study: Cellular and ...

During mammalian reproduction, millions of sperm undertake a journey that only one will finish. This journey to fertilization has been commonly viewed as a race: a sea of sperm competing to get to the ...