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GeneticsThe upside of a demolished chromosome
A woman’s rare genetic disease was cured when a chromosome carrying the mutant gene shattered.
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Health & MedicineAspirin, other painkillers may not reduce colorectal cancer risk for everybody
Aspirin and NSAIDs appear widely protective against colorectal cancer, but not for everyone.
By Nathan Seppa -
AnimalsSnail shell creates blue iridescence with mineral
Mollusk shines blue using calcium compound rather than organic molecule.
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ChemistryNew method leaves older ways of 3-D printing in its goopy wake
Finding the sweet spot in a pool of resin, chemists can create detailed 3-D objects faster than 3-D printers.