Scientists repel sharks – To save them

It sounds like a plot device from a comic book: a simple substance that can make the powerful weak. But it’s not Kryptonite. An American chemist says he’s found several substances – several, in fact – that can repel some of the most fearsome predators in the ocean, and he wants to use his discovery to protect them. This story comes from a partnership between The World and NOVA.

Here are a couple of videos from my trip to the Bahamas well:


~ by Ari Daniel on April 16, 2012.

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