Researchers have long known that temperature can determine whether some reptiles develop as male or female, but this process ...

In reptiles, a simple temperature change can determine whether an egg develops into a male or female. This process is formally known as temperature-dependent sex determination (TSD), in which the sex ...

Researchers pinpoint when temperature determines sex and uncover early genetic changes guiding male or female development in ...

Scale up your name game!

Blake Roberts journeys to the Indian Ocean to discover an ancient landscape where giant tortoises roam, the world’s heaviest ...

It’s a growing problem in relationships. About 1 in 10 couples struggles to get pregnant within a year, which is the clinical definition of infertility. The issue is becoming more common due to ...

Split-nose male leopard out on patrol. American manufacturer’s hidden tag calling president "idiot" resurfaces The far-fetched mission to reclaim islands that host a key US military base Maya Hawke ...

Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team ...

Do snakes lay eggs? Yes! But, it may surprise or fascinate you to learn that many species of snakes give live birth.

Some sex differences in brain-connectivity patterns become more pronounced with age, according to new research. Researchers studying brain-imaging data from people aged between 8 and 100 found that ...