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On November 25, U.N. members will meet in South Korea to cap off a series of meetings aiming to reduce global plastic pollution.

Many beloved fantasy adventures take place in worlds that bear a striking resemblance to our own.

The electoral reform also known as instant-runoff voting promises bridge-building and broad appeal instead of culture war and gridlock.

Black holes encode information on their surfaces, but evaporate away into Hawking radiation. Is that information preserved, and if so, how?

It’s a problem on both sides of the political divide.