Scientific American: Building a brain implant for smell

When Scott Moorehead tells people he cannot smell, they usually make a joke about how lucky he is—he must not be troubled by dirty diapers or people passing gas. “All the jokes are hilarious,” Moorehead says, with a hint of sarcasm. But his lack of smell also means he is vulnerable to natural gas leaks and burning food. He is self-conscious about his own scent, so he takes extra showers. And he has had to give up one of his favorite hobbies: matching wines with exotic flavors.

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