This is what it looks like when hundreds of thousands of visitors stream through downtown Washington.
A new California law says drivers can text and email via voice systems safely — but the evidence begs to differ.
Pulley systems for delivering food in tall buildings, rainwater harvesting, and other smart ideas.
The world like you've never seen it before.
A decree from the D.C. Taxicab Commission will force drivers to install credit card machines by Mar. 31.
Youngsil Lee's garment raises a shield of skin-puncturing needles when its wearer feels threatened (or is just being a jerk).
We can now simulate the effects of earthquakes, traffic jams and population expansion. From every angle.
Chocolate, ice, and other strange spots to rest your weary head.
Can't hear those buzzers and bells.
A new certified LEED-platinum building may not be all that green, if you consider its outlandish size and challenging climate setting.
The state's latest pilot program overcomes privacy concerns by giving drivers five options, from full tracking to none at all.
There's no hockey, but a grocery store and sports center are drawing people from around the city.
Also recently banned: a throat-slitting kite string in India and an Aussie grandma who made $1 million worth of false emergency phone calls.
4 clichés every travelogue about Germany's capital apparently must include.
Happy 50th, Nordlandsbanen!
We're looking at you, erratic lane weavers.
Ed Lee came into office facing a $385 million deficit. By rethinking the pension system, he managed to save the city $1.3 billion over 10 years.
Typically, the Chinese press tries to put the best spin on Beijing's pollution. But the national media covered "airpocalypse" with startling frankness.
Almost three months later, there's still much to do.