Dark matter particles won’t kill you. If they could, they would have already

A lack of mysterious deaths from hypothetical ‘macros’ suggests dark matter is small and dense

macros

STRIKETHROUGH  Hypothetical dark matter particles called “macros” could stream through space and constantly bombard Earth. Some could seriously injure any unlucky humans they pass through, but a lack of mysterious deaths suggests the biggest potential macros don’t exist.

JPL-Caltech/NASA

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