Experts don't know exactly what causes the Mandela effect, or false memories shared by a group. It may happen when your mind blends events and images or tries to fill in gaps with prior knowledge.

Nicole McDermott has worked in the creative content space for the last decade as a writer, editor and director. Her work has been featured on TIME Healthland, Prevention, Shape, USA Today, HuffPost, ...

Add Yahoo as a preferred source to see more of our stories on Google. Broome has said that she "loves" the idea that the Mandela Effect, or others claiming they distinctly recall different events or ...

If you distinctly remember the Berenstain Bears books being spelled "Berenstein" or you know Pikachu has a black-tipped tail, you're not alone, but you're not correct. Don't worry, your brain isn't ...

If you remember Dorothy’s famous line in The Wizard of Oz as, "Toto, I don't think we're in Kansas anymore," you would, in fact, be wrong. And as shocking as this discovery may feel in this very ...

Add Yahoo as a preferred source to see more of our stories on Google. Test how well you remember the past. Is it the Berenstein Bears or the Berenstain Bears? Does Curious George have a tail or not?

A user on Twitter asked me recently about the difference between “affect” and “effect.” Specifically, she wanted to know which to use in the phrase “the affect/effect of celebrity endorsements.” The ...