Mystery Beneath the Ice
Season 43 Episode 3 | 53m 41sVideo has Closed Captions
What’s behind the death of a tiny creature with an outsized role in the Antarctic?
Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory says that krill’s life cycle is driven by an internal body clock that responds to the waxing and waning of the Antarctic ice pack, but climate change alters the timing of the ice pack, disrupting their life cycle.
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Mystery Beneath the Ice
Season 43 Episode 3 | 53m 41sVideo has Closed Captions
Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory says that krill’s life cycle is driven by an internal body clock that responds to the waxing and waning of the Antarctic ice pack, but climate change alters the timing of the ice pack, disrupting their life cycle.
Problems with Closed Captions? Closed Captioning Feedback
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Video has Closed Captions
Clip: S43 Ep3 | 2m 45s | A scientist dives beneath the surface of the frigid Antarctic ice sheet. (2m 45s)
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National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS...