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Tiny Macintosh model computer built into toy novelty clock
Internet

Hobbyist builds retro Apple Macintosh inside toy clock

The DIY project mixes nostalgia with one of tech’s most iconic designs.

By Andrew Paul

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Channel cover

Americans planted entire forests of exploding Australian trees

Plus beaver skulls and other weird things we learned this week.

Rachel Feltman

Rachel Feltman

Host

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.

Latest Articles

an illustration of a dinosaur biting another dinosaur
Dinosaurs

A Tyrannosaurus tooth embedded in dinosaur skull tells a violent story

First discovered 20 years ago, the rare fossil combo reveals a Cretaceous meal in the making.

By Laura Baisas

a pekingese dogs. it has floppy ears, a scrunched up face, and brown fur
Dogs

Chihuahua, boxer, and 10 other dog breeds at risk of breathing troubles

The new study of almost 900 dogs aims to help owners pinpoint breathing issues.

By Laura Baisas

African striped mouse and pups
Evolution

Biologists discover gene that may determine ‘good’ and ‘bad’ dads

Social cues and surprising genetics may affect mammal fathers.

By Andrew Paul

A colorized historical photograph of a woman in a white coat holding Simon, a black and white tuxedo cat who served as a celebrated ship's cat in the British Royal Navy. The cat wears a pink collar with a name tag, and both the woman and the cat are positioned in front of a dark window.
Cats

The tiny tuxedo cat who became a naval hero

The triumph and tragedy of Simon.

By Anne Ewbank

Artistic reconstruction of a Late Pleistocene cave lion overlooking Mount Fuji, Japan. Credit: Velizar Simeonovski
Wildlife

Prehistoric Japan was home to cave lions—not tigers

Fossil evidence shows a case of mistaken big cat identity.

By Andrew Paul

a small mammal with black eyes and big ears standing on a plant
Wildlife

World’s smallest possum may be hiding in South Australia

The tiny mammal weighs less than one pound.

By Laura Baisas

The Midnight sun over the icebergs in the Weddell Sea from the Antarctic Peninsula in Antarctica.
Climate Change

Antarctica has a ‘gravity hole’

The geological oddity has existed since dinosaurs roamed the Earth.

By Andrew Paul

a tunnel under roman ruins
Archaeology

Inside the Colosseum’s Passage of Commodus, where emperors once walked

One theory suggests the infamous Roman emperor survived an assassination attempt in the tunnel now open to the public.

By Margherita Bassi

an ice cave
Biology

5,000-year-old bacteria thawed in Romanian ice cave

But it’s for a good cause.

By Laura Baisas

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Popular 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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