Enlarge this image Surgeon Christoph Haller and his research team from Toronto’s Hospital for Sick Children are working on technology that could…
Rob Stein
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Enlarge this image Surgeons perform the first transplant of a genetically modified pig kidney into a living human at Massachusetts General Hospital…
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Enlarge this image Results from a DNA sequencer used in the Human Genome Project. National Human Genome Research Institute hide caption toggle…
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Enlarge this image Could woolly mammoths walk again among humans? Scientists are working to resurrect the extinct species. Mark Garlick/Getty Images/Science Photo…
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Enlarge this image David Ayares, president and chief scientific officer of Revivicor, holds a piglet raised for research at a company farm…
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Enlarge this image When can a person be declared dead? The question can be hard to answer. skaman306/Getty Images hide caption toggle…
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Enlarge this image An experimental gene therapy tested in young children with an inherited form of deafness restored some hearing for most…
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Enlarge this image “The therapy has really transformed my life more than I could have ever imagined,” Victoria Gray, the first person…
