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science in context, art history and some puzzles to solve

Ultrasonic jewelry cleaning utilizes high-frequency waves and chemicals to generate bubbles that adhere to particles effectively pulling contaminants off the object

Watch this

https://t.co/gsUhbvQWad https://video.twimg.com/ext_tw_video/1775894086517719041/pu/vid/avc1/576x1024/XFH5mMLxf_kaXniK.mp4?tag=12

Watch the water leap off this gecko

Geckoes have tiny super-hydrophobic spines which propel water off their skin like pool balls

In humid environments this would help them to stay dry, fungus and pathogen free.

https://t.co/Aqy8IKNosx https://video.twimg.com/ext_tw_video/1775788245957353472/pu/vid/avc1/576x1024/5FMhhJ8E6Cz0n4Ks.mp4?tag=12