They've never seen animals like hippos and sharks, but adults who were born blind have rich insight into what those animals look like, a new Johns Hopkins University study found. "First-person ...

They've never seen animals like hippos and sharks but adults born blind have rich insight into what they look like, a new study found. They've never seen animals like hippos and sharks but adults born ...

New research shows newborn animals make smart decisions minutes after hatching, using flexible instincts that combine multiple subtle signals.

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...