The average lifespan of a friendship? 10 years. Here’s why.
This is the psychology of why friendships (and marriages) fail.
- Some friendships last a lifetime, but most have a lifespan. In the U.S., best friends tend to last for 10 years on average, says Nicholas Christakis.
- In friendships, one person may begin to defect or "free ride", which causes the other person to choose between cooperation or defection. People tend to choose the latter so they won't be taken advantage of.
- A certain amount of social fluidity, taking a breather from a friendship, can actually make a friendship last longer.
Entomologist William Romoser of Ohio University says NASA images depict insect- and reptile-like creatures on Mars.
- Entomologist William Romoser gave a presentation this week in which he claimed NASA photos show evidence of creatures, some still living, on the red planet.
- Romoser has worked as a professor of entomology at Ohio University for four decades.
- It's likely that the real phenomenon in Romoser's work is pareidolia — the tendency to "see" recognizable shapes among random visual data.
A study found alarming changes in the bodies of astronauts aboard the International Space Station.
Can collective protest still change the world?