Weird Science Roundup: Fire-Fighting Robots, Tiny Cats, and Crazy Dental Implants

• According to British health chiefs, white is the new black...at least when it comes to keeping your house cool. They're suggesting that all U.K. homes be painted white to combat global warming—a technique long used in hot Mediterranean countries like Greece. • Turns out you're not the only one who can prevent forest fires. Giant buzzsaw-wielding robots can do it, too! • Don't let the economy get you, er, down: Some jobless Americans are now eligible for a free year's supply of Viagra and other drugs. • Scientists are using human bile acids to make a replacement for mercury and plastic dental fillings. As if going to the dentist didn't already leave a bad taste in your mouth. • And lastly, check out what might be the world's smallest cat. Itty bitty kitty committee, anyone?