Try not to think about your hands. Now enjoy a few minutes of not being able to stop thinking about them.
- The "white bear problem" describes that situation in which we can't stop thinking about something no matter how hard we try.
- Your mental process at such times pits two parts of your brain against each other.
- Research support a few ways to exit this maddening hamster wheel.
The animal we fear most? Spiders.
- Researchers in the Czech Republic ranked 25 animals we fear most in a new online survey.
- While predatory animals evoke fear, they rarely raise our sense of disgust.
- By contrast, parasites, spiders, and snakes make us fearful and repulsed.
Jonathan Zimmerman explains why teachers should invite, not censor, tough classroom debates.
- During times of war or national crisis in the U.S., school boards and officials are much more wary about allowing teachers and kids to say what they think.
- If our teachers avoid controversial questions in the classroom, kids won't get the experience they need to know how to engage with difficult questions and with criticism.
- Jonathan Zimmerman argues that controversial issues should be taught in schools as they naturally arise. Otherwise kids will learn from TV news what politics looks like – which is more often a rant than a healthy debate.
Average waiting time for hitchhikers in Ireland: Less than 30 minutes. In southern Spain: More than 90 minutes.
- A popular means of transportation from the 1920s to the 1980s, hitchhiking has since fallen in disrepute.
- However, as this map shows, thumbing a ride still occupies a thriving niche – if at great geographic variance.
- In some countries and areas, you'll be off the street in no time. In other places, it's much harder to thumb your way from A to B.
What causes people to retreat into their homes indefinitely?