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

The Earth once vibrated for 9 days straight
Plus other weird things we learned this week.

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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North America’s underside is slowly melting into the Earth
Cratonic thinning may be eating away the continent’s deepest layers.

To protect birds and motorists, engineers build a steel nest box on bridge
Two ospreys are currently nesting on top of New York’s Bear Mountain Bridge.

Astronomers discover hellscape world crumbling into its host sun
BD+05 4868 Ab is losing a Mount Everest’s worth of material with every orbit.

Is the universe really infinite? Astrophysicists explain.
How we understand the wider cosmos from our tiny observable bubble of space.

How baby chickens became America’s hottest commodity
Soaring egg prices have people flocking to buy chickens, creating a nationwide shortage of chicks.

NASA snaps detailed photos of ‘strikingly complicated’ asteroid
Donaldjohanson is a larger space rock than astronomers predicted.

How the sun’s motion affects meteor showers
Comets, planets, and moons, and more intricately dance around our solar system.

Inside the Arizona testing facility where Nissan pushes cars to their limits
The carmaker works with a local non-profit that maintains the trails in desert heat.

Rare ‘smiley face’ will light up the night sky on April 25
The triple conjunction event involves Saturn, Venus, and a crescent moon.
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