Enzymes from bacteria and fungi break down plastic

Every year, the world produces 380 million tons of plastic. A lot of it ends up in nature and stays there for a long time. It can take 450 years to break down a plastic bottle.

New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most luminous in ...

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