Read the latest articles from Popular Science (Page 777)

It’s hard to know exactly how much the hormone affects any given body, but what we do know suggests it’s not the end-all be-all.

And the other weirdest things we learned this week.

Cannabis could play a bigger role in chronic pain management than researchers once thought.

Spoiler alert: staying dry is the key to life in the cold.

If done right, regular, planned fires can manage tick populations in the Northeast.

SpaceX, Blue Origin, and others join the fray.

From protecting yourself to protecting others: everything you need to know.

The Elva’s clever engineering keeps air off of your face even at high speeds.

The Air Force hopes to expand a program that’s faster and produces less hazardous waste than the traditional approach.

Safe injection sites work—why doesn’t the United States have them? 

In places with disease outbreaks, legislators introduce more pro-vaccine bills.

Octopods are more social than they may seem.

Do you want to go fast or far?

Play the at-home edition of the Techathlon podcast

The total area destroyed by hurricanes is increasing and powerful storms are becoming more frequent.

You need math, but you don’t have to struggle.

From Softails to Fat Boys, these are the six classic models to test out on the used market.

Heads or tails? Yes.

A guide to all the tools you’ll need and all the stuff you won’t.

A new analysis shows the interstellar visitor might not be what we thought.