Paternal sperm epigenetics may help explain early pregnancy loss
When a pregnancy ends early and unexplained, the search for answers usually begins with the mother. Lacey Luense,…
Cooperative sperm may improve fertilization success across diverse arthropods
Fertilization is often imagined as a frantic race, with millions of sperm competing for a single prize. But…
New research explains how embryos establish germline cell boundaries
Every embryo of an organism that reproduces sexually faces an early and consequential decision: which of its cell…
Father’s diet before conception impacts baby’s body composition
A father’s diet can affect his children’s health and body composition before they are even conceived. A study…
Fruit Fly Sperm Is 40 Times Longer Than Human Sperm and Uses Opposite Lanes to Avoid Tangling
Credit: ZME Science. These insects probably have the largest sperm-to-body-size ratio. A male fruit fly’s sperm is nearly…
Study links geography to significant differences in sperm quality
A new nationwide study has found substantial regional differences in sperm quality, with men in the highest-performing region…
Researchers advance fertility options for childhood cancer survivors
Researchers at Karolinska Institutet have demonstrated that it is possible to create early germ cells from preserved testicular…
Base editing technique reveals crucial gene for early human development
Research led by the University of Cambridge Loke Centre for Trophoblast Research has shown that a genome editing…
Scientists Discover Sperm Seem To Bypass a Fundamental Law of Physics
Human sperm cells may swim by exploiting unusual “odd elasticity” within their flagella, helping them move through highly…
Khloé Kardashian Owns Tristan Thompson’s Sperm Now
Photo-Illustration: by The Cut; Photos: Getty Images If you’re looking for something to tell your friends about at…
Research challenges long standing beliefs about cannabis and male hormones
The effects of cannabis on the hormonal system and male fertility remain controversial within the scientific community. A…
UC Davis scientists identify protein key to male fertility
The causes of male infertility can be hard to diagnose, with many tests failing to detect genetic defects.…