A biology professor at a Texas community college has claimed he was fired for “religious preaching” after he taught a lesson about how sex is determined by X and Y chromosomes. Johnson Varkey, who has ...

Subscribe to our newsletter for the latest sci-tech news updates. Sex determination is a cornerstone of biology, yet many mysteries remain about how sex chromosomes evolve, especially outside familiar ...

Cell division is a process of remarkable precision: during each cycle, the genetic material must be evenly distributed between the two daughter cells. To achieve this, duplicated chromosomes, known as ...

A version of this story appeared in the On Background newsletter from The Washington Times. Click here to receive On Background delivered directly to your inbox each Friday. One of President Biden’s ...