German emissions at 70-year low as coal use drops

German emissions were at their lowest point in around 70 years as Europe's largest economy managed to reduce its dependence on coal faster than expected, a study published Thursday showed.

Scientists describe a novel way to manipulate exotic materials

An advance in a topological insulator material—whose interior behaves like an electrical insulator but whose surface behaves like a conductor—could revolutionize the fields of next-generation electronics and quantum computing, ...

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