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Scientists in Japan created a 3D-printed electric solar device that can be carried by cockroaches. This technology could be used for spying with a small risk of detection, as cockroaches can go nearly everywhere, but it can also be used to rescue those trapped in places that are impossible for humans to reach, like under ruins for example.

 

Photo by: https://unsplash.com/photos/CAgEXn8iFZc

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Behind the dog’s tears

A Japanese research discovered that dogs’ tear production is associated with oxytocin, the “love hormone”. When dogs reunite with their owners, they produce much more

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