Series: NOVA

Scientists and engineers race to save the Dead Sea and help bring water to this extremely dry region.

Camera traps and drones are revolutionizing the study of wildlife by providing an up-close look.

Bird specialist Lloyd Buck puts his trained golden eagle to the test with remarkable experiments.

For the first time ever, two intrepid pilots fly a solar-powered airplane around the world.

Scientists peer more deeply into the sleeping brain and discover just how powerful sleep can be.

Discover how predictions underpin many aspect of our lives and why some succeed while others fail.

Dive under the ice to explore Antarctica's under-ice landscape with a team of scientists as they search for the mystery killer that's decimating the population of delicate shrimp-like creatures at the foundation of the Antarctic food chain.

The 2017 hurricane season and its disastrous impacts on Houston and the Caribbean are examined.

Almost a century ago, paleontologists found fossil bones from a dinosaur that was bigger than Tyrannosaurus rex. The Spinosaurus fossils were destroyed in a WWII bombing raid. Now, the discovery of new bones in Morocco is reopening the investigation into this epic beast. Follow the paleontologists who are reconstructing this terrifying carnivore, a 53-foot-long behemoth with a huge dorsal sail, scimitar-like claws and superjaws. Bringing together experts in paleontology, geology, climatology and paleobotany, this special brings to life the lost world over which Spinosaurus reigned more than 65 million years ago.