Buried for over 50,000 years, this tiny Neanderthal fossil is now at the center of a surprising scientific puzzle. A Neanderthal infant who lived more than 50,000 years ago reached the physical size of a modern toddler in just six months. The discovery, based on a highly complete skeleton, points to a rapid growth pattern in early life. The fossil, called Amud 7,... [3227 chars]