Popular Science


Pollution kills 1 in 6 people worldwide

The most drastic casualties come from what is called “modern” pollution, which includes particulate matter and ozone in outdoor air, carcinogens, and lead. PexelsIt is time to treat carcinogens, dirty water, and other sources of pollution like a health crisis.

Bottlenose dolphins glow-up with coral body scrubs

In the waters of the Red Sea off the coast of Egypt, bottlenose dolphins have a highly unusual relationship with their reef habitat. Divers frequently witness the marine mammals rubbing their faces and bodies against certain corals and sponges, even waiting in orderly lines to approach the invertebrates. “You get...

How better ventilation can fight the spread of COVID in your home

This article was originally featured on KHN. For two years, you beat the odds. You masked, kept your distance, got your shots. Now, despite those efforts, you, your child, or someone else in your home has come down with covid-19. And the last thing you want is for the virus to spread to everyone in the family or household. But how do you prevent it from circulating when you live in close quarters?

This laser-armed Stryker vehicle can shoot down drones and mortar rounds

In the sun-scorched desert of White Sands Missile Range, a Raytheon-built laser weapon mounted on an armored vehicle shot down multiple mortar rounds over four weeks of testing, the company announced May 16. The testing, part of an Army program to develop new kinds of defenses against flying projectiles and other threats, also involved the laser defeating a range of drones. The demonstration is part of a growing effort to ensure that on future battlefields, troops can be protected from the range of attacks they are likely to face.

4 ways to save money on lumber

As a woodworker, I use a lot of wood. Sometimes I go out and buy new material for a specific project, but over the past few years I’ve acquired a large stockpile of my own. Now I can build most projects with wood I have on hand, as long as I’m flexible about the design. This has helped me save a lot of money, especially when lumber prices reach the levels they’re at right now.

Can we decarbonize surgical healthcare?

In 2021, President Biden pledged to cut domestic greenhouse gas (GHG) emissions 50 to 52 percent by 2030. To achieve this target, the administration intends to reduce tailpipe emissions and boost the efficiency of cars and trucks. Plans to decarbonize buildings by supporting energy efficiency upgrades and electrification are also in place.