Eww gross! Coloured scanning electron micrograph of a used toothbrush bristle. 🤢

#bacteria

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This photo made available by NASA shows the first image sent by the Perseverance rover showing the surface of Mars, just after landing in the Jezero crater, on Thursday, Feb. 18, 2021. #mars

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More from Science & Technology

This photo made available by NASA shows the first image sent by the Perseverance rover showing the surface of Mars, just after landing in the Jezero crater, on Thursday, Feb. 18, 2021. #mars

In case you were ever wondering how big is the cosmos and your role in it. 😂