2011 is shaping up to be a great year for science. Here's what to look forward to
Motion-capture software lets you try on clothes you find online
In the dark and chatty world of avatars and assumed identities, this cybercop is a virtual Sybil, trolling for creeps and thieves.
Residents of one of the Internet's most populous virtual worlds shop, attend class-even run businesses. Soon you may do the same.
Despite numerous challenges to the theory, it remains foundational
Our favorite images of the week
We visit operating rooms, observatories, and islands full of slightly-less-than-rational monkeys to find the young geniuses who are shaping the future of science
Twenty-five curious, mysterious, or otherwise beguiling destinations to satisfy your inner science-history geek
More than 2 million plants are now online.
Short answer: No, but online worlds can really stress you out.
Ten sci-tech moments that mattered in 2006
The smallest exoplanets yet
Forget lab coats and beakers: in this gallery of breathtaking images, we celebrate the visually pleasing side of scientific enquiry
Players love the tech, but pro and amateur organizations can hardly keep up with the new materials and radical designs that have rewired and sometimes hot-wired sports.
Popular Science's FYI editor compiles facts about the telescope.
Some scientific debate heats up online.
No more pencils, no more books: With PopSci's guide to the best continuing-ed programs on the Web, you can lose the paper and still gain a grade-A education
Are you ready for Astronomy 170 with Professor Sagan?
We'll get a vaccine for addiction, debate the future of nuclear power, use new tech to take on water shortages, and-just maybe-find an extra dimension or two. Happy New Year
A round-the-clock telescope, a communication-squelching jet and an anti-shrapnel adhesive