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NOVA | Lethal Seas

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Preview A unique coral reef in Papua New Guinea shows what the future may hold as oceans acidify.

Watch Wednesday, May 13, 2015 at 9pm on WMHT TV.

A deadly recipe threatens the survival of countless creatures throughout Earth’s oceans. We’ve known for years that oceans absorb about a quarter of the carbon dioxide in our atmosphere. With carbon emissions sharply rising, the silent killer is entering the seas at a staggering rate — raising the oceans’ acidity. As a result, the skeletons and shells of marine creatures that form the foundation of the web of life are dissolving. Follow scientists who are seeking solutions and making breakthrough discoveries, including a unique coral garden in Papua New Guinea that offers a glimpse of what the seas could be like in a half-century. Can experts crack the code of a rapidly changing ocean — before it’s too late?

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

PBS Nature News

Full Episode

Austria’s Kalkalpen National Park is the largest tract of wilderness in the Alps, but it wasn’t always that way. The park was once the site of major logging and...

Baby Dolphin Meets ‘Spy Nautilus’

Spy Nautilus, an animatronic spy camera, meets a pod of bottlenose dolphins. Among their numbers is a baby dolphin, only five days old.The post Baby Dolphin Meets Spy...

NOVA scienceNOW News

Five Reasons to Eat Insects

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