Magnetic North - more north than it used to be!

(Marc Ward/Shutterstock)

Have a compass?  Ever used one?  They point north, right?  Well, sorta ... they point to the geomagnetic north, different from the geographic north, and it moves about 30 miles further north every year. But recently it started moving faster than ever before. Interesting stuff - and lots of interesting concerns.

See the full article at Science Alert.