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NOVA | Creatures of Light

Last Updated by WMHT Web Editor on


Watch Wednesday, February 3 at 9pm and Sunday, February 7, 2016 at 11am on WMHT TV

On a summer’s night, there’s nothing more magic than watching the soft glow of fireflies switching on and off. Fireflies seem special because so few other life forms on land can light up the night. But in the dark depths of the oceans, it’s a different story: nearly 90 percent of all species shine from within. Whether it’s to scare off predators, fish for prey or lure a mate, the language of light is everywhere in the ocean depths, and scientists are finally starting to decode it. NOVA and National Geographic take a dazzling dive to this hidden undersea world where most creatures flash, sparkle, shimmer, or simply glow. Join deep sea scientists who investigate these stunning displays and discover surprising ways to harness nature’s light—from tracking cancer cells to detecting pollution, lighting up cities, and even illuminating the inner workings of our brains.

Phylogenetic trees can tell us where medical problems come from, and how to fight them.

PBS Nature News

Grumpy-Faced Cat is a Mountain Survivor

Pallas’s cats have learned to cope with mountain life. They often live in rock dens, which keep them well protected. They hunt insects, small rodents, and birds by...

Jaguar Attacks Caiman Crocodile

With their aquatic skills – and powerful bite – jaguars are able to prey on the crocodile-like caiman. An extraordinary act of such predation was filmed by a tourist...

NOVA scienceNOW News

Five Reasons to Eat Insects

Save room for bugs! They're the future of green cuisine.