If a receding tide strands the animal on the reef, not only can the shark slow its metabolism to survive for an hour on a single gasp of air, but it can also use its fins to "walk" back into the water. A new documentary by PBS called "Nature's Miniature Miracles" shows the ...
Watch as birds solve puzzles and challenge our basic notions of intelligence. Call somebody a “bird brain,” and you’re not delivering them a compliment. But as NOVA shows, birds turn out to have advanced problem-solving skills that we usually assume are unique to humans. Watch astonishing...