WILLIAM FINLEY was almost 4 years old when his grandmother gave him a Magnetix building set for Christmas in 2004. Its colorful, tiny plastic rods, with powerful micro-magnets at each end that gripped ...

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A 9-year-old girl was pretending she had a lip piercing, sticking one high-powered Buckyball magnet on the inside of her lip, and another one on the outside. It may have looked cool, but when she ...

If Ed Scruggs, of Austin, Texas, hadn’t seen it for himself, he might never have believed it. But there it was on his 11-year-old daughter’s X-ray: a string of tiny, super-strong spherical magnets in ...