Hexbyte  Hacker News  Computers The Pot Breathalyzer Is Here. Maybe

Hexbyte Hacker News Computers The Pot Breathalyzer Is Here. Maybe

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California Highway Patrol Sgt. Jaimi Kenyon blows into a alcohol breathalyzer during a demonstration of devices used to test drivers suspected of impaired driving May 2017, in Sacramento, Calif. Lawmakers and police are hoping new devices will be developed to effectively test for marijuana use by drivers. Rich Pedroncelli/AP hide caption toggle caption Rich Pedroncelli/AP…

Maybe DNA Can’t Answer All Our Questions About Heredity

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Heredity is a powerful concept. It’s the thing that ties families together—that gives shape to their shared history of stories, of homes, of personalities. And more and more, it’s the way we understand families’ shared genetic inheritance. But that more modern biological notion of heredity comes with some new, technical baggage: It’s easier to talk…