Which way is north? Not so fast...

It isn't where we left it.

Over the course of geologic time, magnetic north wanders like the oft-maligned "drunken sailor". And it reverses polarity on a not-entirely-stochastic basis. It seems the pole is on the move again—with faster than normal speed—and models will need to be updated to keep pace.

As Magnetic North Pole Zooms Toward Siberia, Scientists Update World Magnetic Model

The North Magnetic Pole Is Shifting East, Fast

Even in the era of GPS, Earth's magnetic field is still an important component in terrestrial navigation.

Breaking: The Yanny/Laurel Divide

UPDATE: Well, this is a rabbit hole you might enjoy: The New York Times made a Yanny/Laurel slider. Spend some time with it. It harbors surprises that intrigue. Perception is pliable. 

New York Times Yanny/Laurel Slider

It seems to be a matter of utmost international importance that I share this cogent audio demonstration involving the consumptive "Yanny vs. Laurel" debate.

YouTuber Dylan Bennett presents
1. The unaltered audio clip.
2. The clip with the high-frequencies masked.
3. The clip with the low-frequencies masked.

Yanny / Laurel - Removing High/Low Frequencies



As we age and/or do damage to our ears, it's typically the high-frequency response that goes first, as I understand things.

Reports are that this is a machine voice tasked with pronouncing "Laurel". Many folks with high-frequency hearing loss seem delighted to hear "Laurel". Many with acute high-frequency hearing detect "Yanny" with no ambiguity. Some folks report hearing both or that what they hear changes from one to the other. ...Auditory Switzerland?

I hope this brings peace to the many for whom this polemic has harshed an extant calm.