Your fingerprints are different from those of everyone else on Earth. The whorls and ridges on your fingertips are determined partly by your genetic makeup.
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What if you had a twin who doctors could work with to predict your future health care needs or how a particular virus might affect
Read moreWhen Kerry Stevens met Ondrej Simecko at the care home where they worked, he jokingly talked about her being a surrogate for him and his
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