Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly ...

Scientists refer to sperm whales with the more sensible species name Physeter macrocephalus. Reaching up to 18.5 meters (60 ...

A hidden form of evolution inside aging sperm may quietly raise genetic risks for the next generation. Credit: Shutterstock Harmful genetic mutations in sperm become much more common as men grow older ...

Research into how a father’s choices — such as diet, exercise, stress, nicotine use — may transfer traits to his children has become impossible to ignore. The standard sperm-meets-egg story posits ...

Scientists have identified a protein that may be key to proper sperm formation. Without it, male mice produced no viable sperm, they found. A team at the RIKEN Center for Biosystems Dynamics Research ...

This study characterized the function of SLC35G3, a putative transmembrane UDP-N-acetylglucosamine transporter, in spermatogenesis. They showed that SLC35G3 is testis-specific and expressed in round ...

The sperm is not a passive supplier of genetic material to the egg. A study from Linköping University, Sweden, shows that certain molecules that come with the sperm, so-called micro-RNA, contribute to ...

A team of Columbia researchers has developed one of TIME Magazine’s best inventions of 2025: an innovative AI-imaging advancement that addresses male infertility. The Sperm Tracking and Recovery ...

Revised: This Reviewed Preprint has been revised by the authors in response to the previous round of peer review; the eLife assessment and the public reviews have been updated where necessary by the ...

An egg cell and a sperm need to hold together tightly in the Fallopian tube in order to fuse, resulting in the creation of a new organism. One key part of this process involves the proteins Juno, on ...