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Oceans' food chain could collapse
A recent Adelaide University study says that ocean acidification and warming temperatures could trigger a major collapse in the marine food chain.
01:26
- Source:
CNN
Creatures of the Deep
17 videos

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Fisherman: I caught a 2,500-pound shark with rod, reel

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10-foot shark caught near surfers in Australia

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Thousands of sharks migrating off the Florida coast