Animals' Instincts: Nature's Warning System

Animals have been warning us about danger for thousands of years and we're just now catching

on. Humpback whales will literally throw their bodies between seals and orcas,

and scientists discovered they do the same for humans in distress at sea. They recognize a

creature in trouble and intervene. Crows take it further. They remember human faces for years

and will actually mob together to warn their entire community about specific people

they consider threats. Your dog isn't just being clingy when they won't leave your side before

a storm. They're detecting barometric pressure drops and elevated cortisol in your

sweat that signal danger you can't consciously perceive yet. Even fireflies synchronize