The rotation of Earth's inner core is slowing down
![The rotation of Earth's inner core is slowing down](https://cdn.mos.cms.futurecdn.net/hoP9tjvbS992traboYh3K7.jpg)
The rotation of Earth's inner core began to slow down more than a decade ago, altering the length of our days by fractions of a second.
The rotation of Earth's inner core began to slow down more than a decade ago, altering the length of our days by fractions of a second.