Read the latest articles from Popular Science (Page 797)

Anal sacs can tell you a lot about an animal.

Carry an entire library in your pocket.

The most fun you can have with a toy lie detector.

Faced with potential burnout from shoeing horses, Jennifer Horn taught herself artistic blacksmithing.

Start prospecting for “brown gold,” a term we made up to make cardboard boxes sound more interesting.

Memory could have something to do with it.

A recent poll found that most Americans think algorithms are unfair. But was the poll itself biased?

Also be sure to listen to the latest Techathlon podcast.

Your skeleton does a whole lot more than just hold you up.

Take jean repair to the next level: reweaving.

It exposes small streams and wetlands nationwide to pollution.

Trump administration proposed a ban on flavored e-cigarettes.

A familiar atmosphere with a few alien quirks.

Treating self harm as a condition, not a symptom could lead to better diagnoses and preventative care.

That flash drive might've been free, but if it's got malware, it's going to cost you.

It turns out bee semen is kind of horrifying.

Data from distant solar systems is helping researchers reconstruct the birth of our own.

The announcement comes two weeks after Johnson & Johnson was ordered to pay $572 Million to Oklahoma for its role in the epidemic.

Indulge in the top picks from the London Natural History Museum's annual photography exhibit.

India's latest lunar mission might lend to rising tensions with China and Pakistan.