Especially coupled with enhanced technology, there are several things we were taught as kids that turned out to be completely ...

Each cell of the human body contains two meters of DNA. The whole secret lies in the intricate three-dimensional arrangement that allows DNA strands to be efficiently organized and compacted within ...

People who have one of several well-documented medical conditions do not have only XX or XY chromosomes, which typically correspond with female and male sexes, respectively. Those conditions include ...

“It is the policy of the United States to recognize two sexes, male and female.” “‘Female’ means a person belonging, at ...

In their effort to answer a decades-old biological question about how the hepatitis B virus (HBV) is able to establish ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

The fossilized remains were discovered in the Sterkfontein Caves in South Africa, a site renowned for its wealth of hominid ...