The Latest Breaking News from Jeremy DeSilva

If humans are getting smarter, why are our brains shrinking?

Human brains have been shrinking since prehistoric times, some studies suggest. Whether this is true and why it has happened are debated.

LiveScience · May 9

Tiny bump on 7 million-year-old fossil suggests ancient ape walked upright — and might even be a human ancestor

The way Sahelanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone is "beyond convincing" evidence this ape was bipedal.

LiveScience · Jan 9

A fossilized foot found 15 years ago belonged to enigmatic human relative that lived alongside Lucy, scientists say

Freshly unearthed jaw bones and teeth that were found close to a previously discovered foot suggest human relatives tried several ways of walking before honing in on one strategy.

LiveScience · Nov 26, 2025