17 Science Facts That Will Leave You Questioning Everything

Some dragonflies used to be the size of seagulls.

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These scarily large dragonflies were called Meganeura and were closely related to the dragonflies that live today. They were alive around 300 million years ago and preyed on smaller insects. Luckily, evolution eventually made sure they became a lot smaller, so theres no need to be worried about one flying through your window.