Traffic Cameras Save Lives

Research finds that traffic cameras not only prevent speeding tickets, but accidents as well. In Barcelona, 12,000+ injuries occurred every year in traffic accidents. Over two years, 364 fewer accidents and 507 fewer injuries occurred - saving the city at least $9 million.

Marmosets Like Their Quiet Time

Marmosets in a Brazil city park favor quietness - even if it meant losing the best eating spots. On weekdays, marmosets rested far away from traffic, and on Sundays they rested far away from crowds

Armor Harmed Soldiers

Research finds that the extra work required to move around in medieval armor may have outweighed its benefit. A 1400s soldier wore 60 lbs-110 lbs of steel. The weight distribution in the armor required more energy to moves one's arms or legs than carrying the same weight in a backpack. Armor wearers also took short breaths - not regular deep breaths.

Loudest Animal

The water boatman insect makes the loudest sound for its body size ... its 2 mm long but its chirp registers at 99 decibels - the same as that of a snowmobile.

Financial Crisis Explained

Easy to follow video on the financial crisis.

Toddler Economics

Steven Levitt's toddler outsmarts his incentive scheme when being potty-trained - a lesson for governments.

Music Makes Kids Nicer

Research suggests music can develop empathy within children. Kids played games demanding rhythmic coordination, others composed music together, others asked kids to copy the music another child played. Other kids routinely met to also play games emphasizing empathy but through words. Only those kids who played musical games significantly increased their empathy. The other kids had slightly higher levels of empathy to begin, but at year's end the music group beat them handily.

Summer Science

Fun video clip on 3 basic questions about the summer.

DNA Diet

Want to lose weight? Your DNA may be the key.