Read the latest articles from Popular Science (Page 4)

The space-inspired wastewater treatment uses the nutrients and loses the odor.

Involuntary muscle contractions keep us warm and even fight infections.

Hoverflies don’t just look like bumblebees—they visit the same flowers and even act like them to fool predators.

A new study questions if Bronze Age dishes really do have traces of olive oil.

Cut, copy, and paste between your apps.

Whether you want a basic model or a fully equipped espresso rig, just about all of Breville's models are discounted for the holiday season.

A newly expanded database reveals how everyday soldiers lived and fought in medieval England.

‘Individually, these photographs speak to beauty, fragility, and wonder.’

Londoners are scouring riverbanks to save the endangered mollusk.

Inside cowboy Charles Jesse “Buffalo” Jones's get-rich-quick scheme to restore the plains 100 years ago.

One of the first studies of its kind also showed mining's stark effects on the abyssal plain.

The home appliance can easily generate as much as 500 grams of microplastics each year.

The interstellar object is still soaring through our solar system.

Conservation takes center stage.

Jon Kotwicki jokes that converting an aluminum plane in Alaska is the “worst idea that a person could possibly have.”

The 120-million-year-old fossil may also be a choking hazard PSA.

These high-end air and water purifiers don't go on sale often, but you can get a huge discount during this Black Friday sale.

3,655 Irish folk cures show how folk remedies help our brains in uncertain times.

Save on outdoor gear from Patagonia, Arc'teryx, Icebreaker, Outdoor Research, Mountain Hardware, and more during REI's annual sale.

The dystopian art installation features billionaires and Silicon Valley's elite.