Experts say the more we challenge our brains as we age, the more resilient it becomes—and “learning a new instrument is a full-brain workout.” After the age of 40, the average brain decreases 5 ...

The ability of the early toolmakers to select high-quality stone, produce sharp flakes, and return to familiar raw-material ...

Paleoanthropologists have announced the world's most complete skeleton of Homo habilis, a human ancestor that lived more than ...