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Matter & Energy

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dead stars illustration

TRIPLE THREAT  A threesome of dead stars has allowed a new test of a tenet of Einstein’s theory of gravity. The trio includes a pulsar (illustrated, with bands of electromagnetic radiation in blue) in orbit with a nearby white dwarf. A second white dwarf orbits farther afield (red, upper right).

synthetic cartilage

COUNTERFEIT CARTILAGE  Newly fabricated artificial cartilage made mostly from water is strong and resistant to tears. 

frog video screenshot

Research on the biophysics of frog tongue adhesiveness provided fodder for one of our most popular video stories of 2017. (Watch the video below.)

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