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Easy scientific thought procession.

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Sending visual signals to the brain, eyes are specialized organs that allow light to enter and relayed as electrical signals which the brain perceives and interprets as visual. Some 96% of all animals have a complex ocular system, and other creatures can at least detect light or dark input as well. Eyes are not unique to just a few species but their variations are many, and often stunningly beautiful.

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Everyone has a bottle laying somewhere in their house, but have you ever thought about how it can be used scientifically to make an explosion? Here’s three common examples of explosions made by bottles and how its done. Note: this video is for educational purposes only, DO NOT attempt these.

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Here are 10 things that animals do during courtship. Which one will you do for love?

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The building integrity of a house of cards and the building blocks of nature. See why that house of cards doesn’t fall.