Read the latest articles from Popular Science (Page 61)

Plus breathing through your butt and other weird things we learned this week.

Behind your favorite lip balm is more than a thousand years of history.

Get one of the most popular trail cameras on the market for 49 percent off and keep an eye on the wildlife in your backyard.

You can get access to tons of free books with this discounted Kindle as part of Amazon's pre-owned program.

The video shows a potential form of marine mammal play.

British meteorologist Dennis “Tink” Bell was on a surveying mission when he fell through a crevasse.

Experts link coins found in present-day Bangladesh and Vietnam to a single origin.

Researchers typically ask why people get cancer. What if they studied why some survive — or never develop the disease?

'Hopefully the peanut butter snack was worth it.’

The Viking economy was as intricate as it was fierce.

The dream dates back to ancient Rome. But there are reasons it's never happened.

This $25 speaker is water-resistant, super-loud, and cool-looking. Plus, it's really cheap.

These electric fat bikes—characterized by their wide tires, durable frames, and versatile geometry—are all-terrain beasts.

The swirling, chunky mass challenges theoretical models about cosmic evolution.

The Sharpie S-Gel pens write with a smooth flow and bold lines. Right now, they're cheaper than they have been all year, just in time for school shopping.

Nitisinone kills even insecticide-resistant mosquitoes.

PSA: Don't eat blue meat.

Sheep may have played a major role in a prehistoric plague outbreak.

Stronger than stainless steel, understanding chiton teeth could led to a new generation of bio-inspired materials.

What is rust? A materials scientist explains metal’s crusty enemy.