Whale sharks do the math to avoid that sinking feeling

They are the largest fish species in the ocean, but the majestic gliding motion of the whale shark is, scientists argue, an astonishing feat of mathematics and energy conservation. In new research published today in the British ...

Walking on the moon – underwater

It's one of the deepest 'swimming pools' in Europe, but for three years has been helping preparations for a human return to the moon. ESA's Neutral Buoyancy Facility at the European Astronaut Centre has been the site of the ...

Backswimmers use buoyancy aid like a gill

Ever since he can remember, Karl Jones has been fascinated by the animals that live in streams. 'I grew up next to a river in the Adelaide Hills where I spent many hours catching the creatures that live there', he recalls; ...

Disseminating the kilogram, no strings attached

(Phys.org)—The impending redefinition of the kilogram presents a weighty dilemma. Methods to be used to realize the redefined kilogram are based on the Planck constant and the Avogadro constant respectively and realize ...

How diving leatherback turtles regulate buoyancy

Virtually nothing is known about leatherback turtle diving strategies, but on Nov. 12, 2010, an international team of UK and US based scientists publish their discovery that leatherbacks regulate their buoyancy by varying ...

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