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.

How to beat A.I. in landing a job

Job applicants now have to contend with the growing use of artificial intelligence in hiring decisions.

Stock.
Technology & Innovation
  • Artificial Intelligence is increasingly being used in hiring.
  • AI can analyze the personality and decision-making of potential employees.
  • Consultants can offer advice to candidates on dealing with AI interviews.
Keep reading

The value of owning more books than you can read

Or, how I learned to stop worrying and love my tsundoku.

(Photo from Wikimedia)
Personal Growth
  • Many readers buy books with every intention of reading them only to let them linger on the shelf.
  • Statistician Nassim Nicholas Taleb believes surrounding ourselves with unread books enriches our lives as they remind us of all we don't know.
  • The Japanese call this practice tsundoku, and it may provide lasting benefits.
Keep reading

First generation university students are at greater risk of experiencing imposter syndrome

Competition in STEM subjects left students feeling like imposters.

Kaveh Kazemi/Getty Images
Mind & Brain

Increasing efforts have been made in recent years to encourage students to pursue STEM (science, technology, engineering and maths) subjects.

Keep reading