Here's the Physics Behind That Insane Chinese Traffic Jam

A few days ago, a drone captured this eye-popping video of the world’s worst traffic jam on the G4 Beijing-Hong Kong-Macau Expressway. Blame foggy weather if you like, but physics says it all comes down to a question of density — namely, an unusually high number of people returning to Beijing after a week-long holiday… »Friday 12:30pm

The Syrian Civil War Has Prompted the First Withdrawal from the Doomsday Seed Vault

The Arctic Svalbard Seed Vault is designed to safeguard the seeds of 820,619 plants in the event of massive environmental catastrophe, disease, a nuclear war, or an asteroid impact. Sadly, the ongoing civil war in Syria has caused the first-ever withdrawal of its precious contents. »9/23/15 10:30am

New Pavement Made From Tires Will Save Old Faithful's Groundwater

Labor Day Weekend is one of the busiest times at Yellowstone National Park, and its famous geyser, Old Faithful, reels in 90% of the park’s 3.6 million annual visitors. To keep that geyser reliably spewing steam and water 140 feet into the air every hour or two well into the future, the park is surrounding the thing… »9/04/15 9:20am

No, German Scientists Have Not Confirmed the “Impossible” EMDrive

Two German researchers claim they have produced measurable amounts of thrust using a copy of NASA’s controversial EMDrive. It’s a result that has many people talking, but don’t plan your trip to the to the Alpha Centauri system just yet—the experts we spoke with are all highly skeptical of the study and its findings. »7/28/15 1:40pm

That Famous "School Bus Yellow" Color Used to Be Very, Very Toxic

You can recognize the bus in this picture, even though it is distorted, because of that iconic color. It was chosen in 1939 and used all over America. Later, people found out that while the shade was great, the chemistry left something to be desired. Here’s how school buses got covered in poison. »7/09/15 9:30am