Shadow puppetry can be beautiful to look at, but when it鈥檚 happening inside our eyeballs, it鈥檚 an annoyance. One of the banes of getting older is the appearance of apparitions in our vision. In...
Pineapple, kiwi and papaya all contain proteolytic enzymes, in other words enzymes capable of breaking down protein molecules. And gelatin, the substance that makes Jell-O gel, is a protein....
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