In a reward-free touchscreen game, Japanese macaques favored a button that made a puppet pop up in somewhat unpredictable spots, like curious humans. Six zoo orangutans heard laughter before learning ...

Embalming is one of the most common options for temporarily preserving bodies after death – but what exactly does it entail?

The ancient Egyptians developed sophisticated embalming treatments far earlier and across a wider geographical area than had been previously known, forensic tests on a well-known prehistoric mummy ...