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The stem cell therapy’s obstacle course

Science fiction became real life in September 2014, when a team of eye surgeons in Japan transplanted a body part, grown entirely in a dish, into the eye of a patient suffering from an eye disease. The retinal graft came from the patient’s skin cells, raising hopes...

Right Turn: Has cancer immunotherapy arrived?

It was Science magazine’s 2013 breakthrough of the year and called a “turning point in cancer.” It even scored its own awareness month that year. Cancer immunotherapy – therapies that harness the power of a patient’s immune system to fight their disease – had...