Okay, here's one we didn't see coming: Not only can people detect happiness in the smell of someone's sweat, but that fragrance can make the happiness contagious. That's the conclusion of research published in the journal Psychological Science. Learn more
Have “superbugs” always been a part of human history? A new study of a remote and isolated South American tribe suggests that antibiotic resistant genes have been in the human body long before modern antibiotic drugs were developed. Learn more
INFOGRAPHIC OF THE WEEK
Walk and be happy; walk and be healthy. The best way to lengthen out our days is to walk steadily and with a purpose.
- SLICE OF HISTORY
Actress Jane Fonda isn't very optimistic about the prospects of a workout video based on her best-selling "Jane Fonda's Workout Book." She's even a little worried it could hurt her acting career. But she goes ahead with it, and not long after its release on this April day, it's clear that it's going to be a big hit. The video went on to sell 17 million copies. Get the full story.