Anonymous Twitter troll convicted of abuse in Belgium

A Belgian court has convicted an anonymous Twitter user of harassment after the social media giant supplied his identity, in the country's first case of its kind, officials said Thursday.

Modern alchemists are making chemistry greener

Ancient alchemists tried to turn lead and other common metals into gold and platinum. Modern chemists in Paul Chirik's lab at Princeton are transforming reactions that have depended on environmentally unfriendly precious ...

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