Human behavior is endlessly fascinating. We all walk around with our own quirks and habits, often unaware of just how similar or different we might be from others. You might be surprised to learn just ...

What are the most interesting facts about human behavior? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.

One big factor is how old the person is when the behavior starts. If they are super young, that is a clue it might be related to temperament. It may continue when they grow up. If the behavior starts ...

Jessica D. Ayers does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The movie 2001: A Space Odyssey famously opens with an ancient apelike human ancestor suddenly realizing that he could use large bones as weapons. Others in his group who see him quickly adopt the ...