More than 4,400 preserved human brains—some that are 12,000 years ... preservative substance known as grave wax from fats in the body. Less than 2 percent were frozen, and less than 1 percent ...

A series of remarkably well-preserved human remains in a remote cave in Scotland has archaeologists grappling with a staggering question: were these bodies brought here during the Bronze Age to be ...

The human brain, it turns out ... they yield as the most metabolically active organ in the body, and among the most commonly preserved soft tissues," the authors write in their paper.