Biologist Katharine Edmonson asked the young boy who approached her table if he wanted to hold the tiger skull in his hands. Some children hesitate, but not 11-year-old Devin Shuman, a fifth-grader at ...

A marine biologist uses an underwater scooter to attract a group of young spotted dolphins, testing the boundaries of their play. For a long time, biologists thought that playtime was a ...

Reducing your intake of one particular food could help you 'stay young', according to a prominent expert. Dr Valter Longo, who heads the Longevity Institute at the University of Southern ...

Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the ...