did you know that? [Did you know that?] Did you know that… Earth’s inner core recently slowed down and may have reversed rotation?

[TheDude @ LCS]

Did you know that… Earth’s inner core recently slowed down and may have reversed rotation?

Geophysicists found evidence that the planet’s inner core has changed its rotation relative to Earth’s surface, something that happens roughly every few decades and may slightly affect day length.

SOURCE