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The same science powers bright carbide lamps and loud toy cannons

Build a symbol straight out of Achewood

Innovation manifests itself in myriad ways: groundbreaking, revolutionary bursts we'd never before imagined possible, or in more nuanced but no less brilliant refinements of existing technology. And while this year's list contains plenty of instances of the former, in compiling it we've noticed one thing: 2009 is the year of stealth innovation.

You can now hail rides using Siri or Maps directly

Become a social media superstar.

The everything-proof house.

Is technology making us less human?

They’re not pretty, but they’ll get the job done.

Survey any threats to your castle—er, home.

Three new electric cars will feature a soundscape from the legendary film composer.

Why this fanged creature died and surfaced is unknown.

The world's network of road and highways may be harming insects and the plants they pollinate.

Here's what you need to know about the new CDC mask guidelines.

We thought dams were good for the environment, but they may actually release immense amounts of carbon.

Project tiny specimens onto the walls of your own home.

Every year, Popular Science honors 100 innovations that are brilliant, revolutionary, and bound to shape the future—these are the Best of What's New.

Cell providers lock your phone for a reason; here are a few reasons to unlock it.

Whether you’re using it to chop food or display an array of cheeses and charcuteries, this piece will serve you well.

Let us open your mind to handmade doors.

It’s still possible to avoid the worst-case scenario, according to a new UN report.