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.

Elizabeth Warren's plan to forgive student loan debt could lead to an economic boom

A plan to forgive almost a trillion dollars in debt would solve the student loan debt crisis, but can it work?

Photo credit: Drew Angerer / Getty Images
Politics & Current Affairs
  • Senator Elizabeth Warren has just proposed a bold education reform plan that would forgive billions in student debt.
  • The plan would forgive the debt held by more than 30 million Americans.
  • The debt forgiveness program is one part of a larger program to make higher education more accessible.
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Scientists discover how to trap mysterious dark matter

A new method promises to capture an elusive dark world particle.

Surprising Science
  • Scientists working on the Large Hadron Collider (LHC) devised a method for trapping dark matter particles.
  • Dark matter is estimated to take up 26.8% of all matter in the Universe.
  • The researchers will be able to try their approach in 2021, when the LHC goes back online.
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Supreme Court to hear 3 cases on LGBT workplace discrimination

In most states, LGBTQ Americans have no legal protections against discrimination in the workplace.

(Photo by Andres Pantoja/SOPA Images/LightRocket via Getty Images)
Politics & Current Affairs
  • The Supreme Court will decide whether the Civil Rights Act of 1964 also applies to gay and transgender people.
  • The court, which currently has a probable conservative majority, will likely decide on the cases in 2020.
  • Only 21 states and the District of Columbia have passed laws effectively extending the Civil Rights of 1964 to gay and transgender people.
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