Megan Garber

Kinza Riza/Nature.com

Confirmed: The Oldest Known Art in the World Is Proto-Graffiti

The first paintings made by human hands, new research suggests, were outlines of human hands.

San Francisco Municipal Transportation Agency

After Uber, San Francisco Has Seen a 65 Percent Decline in Cab Use

It might not be completely the fault of competition, but the city's taxi drivers are making far fewer trips than they were just a few years ago.

Flickr/*suika *

Why the World Smells Different After It Rains

Behold, the wonders of petrichor.

ChameleonsEye/Shutterstock/Robinson Meyer

The Evolution of Slang

For a century and a half, The New York Times has been earnestly—and hilariously—defining the evolving language of cities. 

Alexander Gerst/NASA

Putting Gaza in Focus—From Space

An astronaut aboard the ISS takes a photograph capturing the violence raging on one part of Earth.

Lego.com

Why Are All These Legos Washing Up on the Beach?

A rogue wave and a lot of plastic octopi shed light on the workings of ocean currents.

NRK

You Can Now Ride on a Train While Flying on a Plane

British Airways has revealed the Turducken of in-flight entertainment. 

oksana2010/Shutterstock

Cable Boxes Use an Absurd Amount of Energy, Even When They're Off

That innocuous little device atop your TV has a surprisingly large carbon footprint. 

Ziosk

Chili's Is Betting You'll Spend More Money If Your Server Is a Screen

The restaurant chain has already installed 45,000 tablet ordering stations nationwide. 

Shutterstock

The Real Reason Apple Wants You to Talk to Your House

Apple's foray into "the Internet of Things" is less about the things, and more about the Internet.

NASA

A World of Water, Seen From Space

Space agencies across the planet launch the most ambitious plan yet to understand how the world's water works.

The Evolution of the Area Code

Long-distance digits long ago shed their monetary worth, but they gained something else in its place: cultural value.

How California Got Its Dew Back

Watch the "Pineapple Express" make its way from Hawaii to the West Coast.

'Selfies With Homeless People'

Today in selfie sadness: images that treat sleeping humans as architecture.

The Living

Soon to Grace the New York Skyline: Towers Made of Fungus

A cutting-edge building material promises structures that are both sustainable and ... compostable.

And Now There's Facial Recognition for the People in Your Pupils

You know how sometimes you can see yourself in the eyes of another person? Others can see you, too.

Now You Can Make Your Own Street View Scenes

Google opens up its mapping functionality to allow for DIY imagery.

Congratulations, Ohio! You're the Sweariest State in the Union

Phone-call data track the distribution of courtesy (and the lack of it) over recorded conversations. We'd thought better of you, Buckeyes.

Misery, Mapped: A Thanksgiving Travel Guide

A storm is bringing flight delays and cancellations across the country over the busiest travel days of the year. Track the agony with this infographic.