More than 70 percent of the planet exists underwater. Today, we’ll take a deep breath and dive down to meet some of the animals who call our oceans home – including dolphins, whales and array of cephalopods. And later in the hour, we’ll learn how seahorses, lobsters and other sea creatures reproduce.
A Southern right whale breach in El Doradillo Beach, Patagonia, Argentina. Scientists watching for baby right whales off the Southeast U.S. coast have yet to spot a single newborn seven weeks into the endangered species' calving season , a dry spell researchers haven't seen in nearly 30 years. Maxi Jonas/AP Photo