How an accelerating Earth led experts to adopt the leap hour - The Guardian

How an accelerating Earth led experts to adopt the leap hour  The GuardianClock ticking for leap second: Why timekeeping could change forever  Al JazeeraScientists vote to end leap seconds, redefining how the world keeps time  Scientific AmericanLeap seconds have righted global clocks 27 times. So why do timekeepers want to kill it?  CNNThe 'leap second' could disappear. How a minor time adjustment became a major problem  CBC