Read the latest articles from Popular Science (Page 650)

BSL-4 labs are somewhat risky, and they're not very well managed.

Drug lords, millionaire wannabes and the North Korean government have perfected methods for knocking off our most valuable greenback. Now the scientists in charge of making the real dough are fighting back with an unfakeable (for now) $100 bill

Agriculture is our number-one carbon polluter, but a return to old ways could reverse the trend.

The Big Question: How many people will it infect this year?

Last one to exascale is a second-rate world power

Building a universal translator

A secret, hypersonic replacement for the legendary SR-71 promises to transform military aviation

Climate Week's big pledges included preserving forests and investing in renewable energy. Now those promises need to be kept.

An idea that just might take off

Rapid manufacturing methods may eliminate dependence on Russian rockets

Popular Science is inside the U.N., where 150 heads of state are talking global warming. Will they put momentum behind an international treaty in 2015?

The European Union is reviewing a case of a deadly blood clot.

But you can still wear them if you want.

Are we ready for airplanes with no humans in the cockpit?

Scruffy's ancestors might come from Mongolia

If the idea of getting fitter doesn't motivate you to go to the gym, how about trimming your electric bill?

Well, probably, but how can you tell?

And how their value changed over time.

Colonial legacies within science are difficult to untangle, but the work is crucial.

Dozens of volunteer divers surveyed marine protected areas worldwide, to discover why life flourishes in some while failing in others.