Read the latest articles from Popular Science (Page 687)

‘Project Iceworm’ was a Cold War-era army project, and its results accidentally revealed secrets about our planet’s past.

Here are four reasons to celebrate the body’s largest internal organ.

From PIN protection to instant replay when you miss a line of dialogue.

Your noggin is like a soapy loofah—and other fun facts from The Weirdest Thing I Learned This Week.

A new chapter in the hunt for truly non-toxic, ethical cosmetic ingredients.

No, you don’t need to buy a new phone.

It’s a matter of privacy and privilege.

One person’s trash is another’s jet fuel.

It’s not easy, but you can do it.

Soon you may not need DEET at all.

Zombie files are real.

The industry continues to hatch and kill scores of male chicks, despite promises to adopt new technology and optimize breeding practices.

Scout your site, research plants, and buy supplies to avoid the spring gardening rush.

Lightning bugs draw tourists in with their glow, but that could be bad news for the beetles.

Don’t trash them right away.

The Navy wants them to be able to launch out of robotic vessels and then become a weapon if needed.

They’re mysterious to biologists and misunderstood by the public.

From taking voice notes to finding the right chords, we’ve got 10 rocking options for you.

Jumping out of planes and operating up north can be stressful, so the Army is studying resiliency.

A new rule will make it harder for local governments to ensure building codes are sufficiently climate-friendly.