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Three-dimensional printing has been used to make everything from pizza to prostheses, and now researchers are working on using the emerging technology to fabricate hearts, kidneys, and other vital human…
A second key brings the sound of tweeting birds, and another the clopping sound of horse hooves, as if someone is standing off-stage with a pair of coconut shells. Then…
They don’t call love a drug for nothing. When we fall for someone, our brains release a cocktail of chemicals, creating feelings of euphoria and pleasure and (if all goes…