A new paper has explored what would happen if a tiny black hole were to pass through a human body. Rather than a disappointing "not much", the physicist behind the paper specifically tried to determine the minimum size of such a black hole that would cause "significant injury or death" to the human unlucky enough to collide with it. Rather than being purely for fun, the idea could help constrain the hunt for dark matter, thought to account for around 27 percent of the universe. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

First off, what kind of black holes are we talking about? In the current age of the universe, black holes form when gigantic stars run out of fuel and collapse under their own gravity. This places a limit on ho

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