Popular Science. Demystifying the worlds of science and technology since 1872.

Why don’t molecules ever stop moving?
This ‘deceptively simple’ question demands a dip into the murky waters of quantum physics.

Here’s the secret to getting songs unstuck from your head
Plus, rich people used to keep squirrels as pets and a flooded Colosseum.

Rachel Feltman
At Popular Science, we report and write dozens of stories every week. And while a lot of the fun facts we stumble across make it into our articles, there are lots of other weird facts that we just keep around the office. So we figured, why not share those with you? Welcome to The Weirdest Thing I Learned This Week.
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Shark’s ‘mystery hat’ turns out to be a giant octopus
Researchers spotted the unlikely travel pair near New Zealand.

Traffic noise is making these Galápagos birds more aggressive
Even only 10 vehicles on an island can impact these genetically distinct songbirds.

Researchers created sound that can bend itself through space, reaching only your ear in a crowd
A sound only you can hear.

The shaky science behind treating measles with vitamin A
While important for overall health, the vitamin can be toxic in high doses.

The sun has literally set on the British Empire
The spring equinox helps conclude a major chapter in world history.

Most Cybertrucks recalled to ensure steel panels don’t fall off
46,096 vehicles are included in the NHTSA announcement.

A powerhouse of global satellite infrastructure: Norway?
The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.

How is head hair different from body hair?Â
There’s a reason you can’t grow your armpit hair to your belly button.

 A small amount of penguin poop is enough to spook krill
‘Smells like rotten shellfish. Not pleasant to handle.’
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Browse all coversPopular Science has been demystifying the worlds of science and technology since 1872. We explain the inner workings of the phone in your pocket, explore world-changing innovations, and examine everything from the marvels of deep space to the secret lives of staples like bread. We deliver an engaging, approachable, and inclusive look at emerging technologies and scientific advances.
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