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Thanks to Periodic Videos and TED-Ed, here we have an interactive periodic table with a video for every element. Click here to continue... read more
You could almost say they are drop-dead gorgeous: when certain female dragonflies are pursued by unwanted suitors, they deter them by crashing to the ground Source: Female dragonflies fake sudden... read more
https://youtu.be/otvvUzFh5Do What is ”egg-shaped” even? I used to think it was the shape of a chicken egg. Then one day I saw a collection of eggs from lots of different bird species, and I... read more
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