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How Artificial Chromosomes Could Transform Humanity

Normally, an extra pair of chromosomes would be considered dangerous. But what if we could design our own? According to biologists, we could create custom-built chromosomes to fix a variety of health problems, and even give us new abilities. Here’s how a 24th pair of chromosomes could change our biologies forever. » 7/12/13 12:00pm 7/12/13 12:00pm