Pregnancy caused women to lose gray matter, and reshaped the brain’s “default mode network,” a set of brain regions that are most active when the brain is wandering.
A woman was poisoned when she drank bitter gourd juice.
A rare look at ancient DNA from the teeth of medieval Ashkenazi Jews reveals that this group had more genetic diversity 800 years ago than it does today.
Fangy Whatcheeria measured up to 6.5 feet (2 meters) long, and more than 300 million years ago, it was the apex predator in the sinkholes-turned-lakes of the American Midwest.