There’s not much you can do to put out a magnesium fire. Douse it with water or spray it with...
Antibacterial soap kills 99.9 percent of germs. Should you worry about that other 0.1 percent?
Our experts tackle the answer to your burning questions
The real reason Sony’s new mini speakers are so powerful
From the smallest pro camera to a static-free music phone speaker our editors round up the summer's must-have products
New lenses let amateur astronomers see the stars in more detail
Newly discovered human skeletons suggest that people are people, no matter their height
Millions of nanosize nails form a highly repellent surface
France considers a slower mode of luxury air travel
Find your friends five ways with these sleuthy Web services
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.