According to a recent study, the artificial light emitted by iPads, computer screens, Blackberries, and all those other electronic devices that you rely on so heavily is keeping you from falling asleep. Yes, technology makes you tired.

Tired of high-pitched sirens disturbing the quiet peace of the quaint, idyllic burg in which you chose to make your home—New York, NY? Good news. The NYPD is switching from its old screeching siren to a new brand of siren called The Rumbler. It's better because it rumbles!

New York Times editor Bill Keller is not a big Twitter guy. He only tweeted once in all of 2010. But last night—when the blues crept in on cold wintry feet—Bill reached out to his Tweeps for solace.

Old galaxies! Nabokov butterflies! Milk safety! Insomnia relief! Cell timers! Solar sails! Bat naps! Math extinctions! Ovulation dreams! Breast chips! It's your Wednesday Science Watch, where we watch science—wackily, come on!