How an accelerating Earth led experts to adopt the leap hour
What we know
International delegates agree leap second no longer tenable, but first leap hour not likely to happen for thousands of years After decades of discussion, quibbling and worrying about clocks in computer systems, the worldโs official timekeepers have voted to replace what many viewed as a tiresome correction: the leap second. Itโs time, they say, for the leap hour.
Delegates from 69 countries cast their votes on Thursday at a conference in France of the International Bureau of Weights and Measures, which ensures the world sticks to the same standards of time, weight, distance and more.
Doctors' group gives hormone therapy stronger backing in new menopause advice
The American College of Obstetricians and Gynecologists has updated its advice on hot flashes, night sweats, poor sleep and mood changes for the first time since 2014.
Living with a stink? Technology might help
Smells from rubbish dumps and industrial facilities are being more carefully monitored.
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