Excellent article from The Economist on the social and cultural influence of videogames. (Update: Fixed bad URL.)

Killing cancer cells with carbon nanotubules and laser light. In the test tube, "[e]xposure to the laser duly killed off the diseased cells, but left the healthy ones untouched."

Getting closer to real-life "phaser" weapons. (Via Gravity Lens.)

Cartoon of the day: "Teach Both Sides". This says it all...