Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!

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Sources:
https://www.timeanddate.com/time/eart...
https://www.nist.gov/pml/time-and-fre...
https://royalsocietypublishing.org/do...
https://www.pmel.noaa.gov/elNino/faq
https://link.springer.com/article/10....
https://itunews.itu.int/en/NotePrint....
https://www.itu.int/en/ITU-R/Document...
https://www.iers.org/IERS/EN/DataProd...
https://agupubs.onlinelibrary.wiley.c...
https://esd.copernicus.org/articles/8...
https://www.bipm.org/utils/common/pdf...
http://www.astronomy.ohio-state.edu/~...
https://www.nationalgeographic.com/sc...

Image Sources:
https://earthobservatory.nasa.gov/fea...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...

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