14:30 Health What you should know about vaping and e-cigarettes - Suchitra Krishnan-Sarin 189,975 views
10:06 Psychology Why we ignore obvious problems— and how to act on them - Michele Wucker 89,722 views
02:06 Design, Engineering & Technology How smudge-proof lipstick was invented | Moments of Vision 6 272,180 views
