Why you really get sick on planes – and how to prevent it

If you're about to fly somewhere for Thanksgiving, you're probably dreading the possibility that you'll catch a bug along the way. And with good reason: Many people come down with something nasty in the days following an airplane flight. Why does this happen, and how can you keep yourself from getting sick? » 11/26/13 11:05am 11/26/13 11:05am

50,000 generations of bacteria prove that evolution never stops

In a remarkable experiment that's been going on for nearly a quarter century, biologists have shown that lab-grown bacteria — even in a stable, unchanging world — will continue to evolve in a way that makes it increasingly good at reproducing. » 11/18/13 1:40pm 11/18/13 1:40pm

Bugs from your colon could produce the world's next great energy source

For years, the energy industry has been looking to seaweed to become the next big source of biofuel. But the algae plant has its drawbacks. Much of its energy is stored in a form of sugar that is difficult to tap into; this snag drives the cost of biofuel produced from seaweed up, and its viability as an alternative to … » 1/20/12 7:22am 1/20/12 7:22am

Behold, the future's bioluminescent billboards

Scientists at UC San Diego have made a bioluminescent bacterial billboard. They call it a "living neon sign composed of millions of bacterial cells that periodically fluoresce in unison like blinking light bulbs." Making it all work "involved attaching a fluorescent protein to the biological clocks of the bacteria,… » 12/31/11 1:45pm 12/31/11 1:45pm

Why flying on planes can make you sick - and how to stop it

If you're about to fly somewhere for Thanksgiving, you're probably dreading the possibility that you'll catch a bug along the way. And you're not alone. Many people report coming down with something in the days following an airplane flight. It's not like we're all lining up to lick the lavatory handles — so why can't… » 11/23/11 9:24am 11/23/11 9:24am