The so-called "Chair Theory" has been trending on social media as a way of testing whether your significant other or friends ...

The idea first went viral two years ago but has recently resurfaced on platforms like TikTok and Instagram. The concept is simple: Point out something mundane to your partner, like spotting a bird, ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of "Your Place in the Universe." Sutter contributed this article ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. If you’ve been confused about all the sudden fuss surrounding “bird theory” on ...

A simple relationship test called the “bird theory” is spreading on TikTok as a way to find out if your partner even cares. All you have to do is point out something not particularly interesting, like ...