20,000 Microbes Under the Sea
Scientists have discovered that nearly a third of all the life on this planet consists of microbes living under the seafloor in a dark world without oxygen. Many of these tiny creatures make so much methane gas that if even a small proportion of it is released, we might be overwhelmed by huge tsunamis, runaway global warming, and extinctions
by Robert Kunzig
In Her Own Words: Meenakshi Wadhwa
If there's one thing you learn as a scientist, it's never to close your mind off to things that seem far-fetched'
Digital Cache
A computer museum in Silicon Valley offers some perspective on the next new thing
Monsters on Ice
Gold-mining techniques in the Yukon offer up fresh DNA from the Ice Age
Gross Anatomy
4 makes cadavers an art form and dissection uncomfortably real
Leap Seconds
Every year or so we figure out that Earth hasn't been rotating quite as fast as we thought, so we add a second to the clock. And that messes up everything