Ancient graphene formed 3 billion years before humans discovered it
Graphene, an atom-thick form of carbon, was discovered in 2004 using sticky tape and pencil graphite, but now researchers have found the first ever natural graphene in a gold mine
![Ancient graphene formed 3 billion years before humans discovered it](https://images.newscientist.com/wp-content/uploads/2023/07/17152727/SEI_164430151.jpg)
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