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Weekly: How to measure consciousness; Nature-made graphene; New sabretooth cats

The world, the universe and us

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The Unexpected Finding of Graphene

Graphene is a layer of carbon just a single atom thick. It has been touted for everything from faster electronics to better biomedical devices. A group of researchers Japan announced that they had found graphene while looking at 3.2 billion year old rock deposits underneath a South African gold mine.

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