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Latest John Calambokidis Stories

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2010-12-09 07:05:53

Blue whales eat 90 times more energy when diving than they use, thanks to big mouths Diving blue whales can dive for anything up to 15 minutes. However, Bob Shadwick from the University of British Columbia, Canada, explains that blue whales may be able to dive for longer, because of the colossal oxygen supplies they could carry in their blood and muscles, so why don't they? 'The theory was that what they are doing under water must use a lot of energy,' says Shadwick. Explaining that the...