First scientists said, “I wonder if we can print body parts.” Then they said, “I wonder if we can grow new blood vessels.” Well, that time where scientists say “I wonder if we can do this” has come ...

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At eight years old, Nathan Kondamuri got his first pair of prescription glasses and he was mortified. “I was in third grade and the first kid in my class to wear glasses,” recalls Kondamuri, who is ...