What makes human and orangutan brains different? Researchers at the National Zoo hope to find out by ... Introducing the Smithsonian Magazine App (01:29) Meet the Grand Prize Winner of the 21st ...

What makes human and orangutan brains different ... A sea lion propels itself through the water at Smithsonian's National Zoo (00:05) Why Young Grassland Songbirds Sleep In (02:02) Don't Call ...

More than 1,800 animals reside at the Smithsonian ... Zoo & Conservation Biology Institute, from Asian elephants to cheetahs to sea lions. Look up every now and then as you stroll beneath the ...