Punishment or Reward: Which Works Better on Behavior?
4:00
When a Cut Finger Is More Serious Than It Might Seem
4:00
Hand Washing Is Up in Public Restrooms in US
4:00
Are People Who Speak More Than One Language Smarter?
3:58
Why Doctors May Not Always Try to Save a Fingertip
3:58
Study Finds No Reason to Delay Pregnancy After a Miscarriage
30:01
Super Bowl history, Regardless, Fall of the House of Usher Part 2
30:01
South Korean impeachments, Kung Fu nuns, Weighted blankets
3:57