You might not think twice about the money you use every day — but you should. There could be some facts about your bills and coins that might fascinate you. Do you know what bills are made out of?

But what makes one plant more likely to survive than another? We’ve uncovered some strange and surprising facts about some of our hardiest plants. Scientists in Germany think they’ve ...

Psychology is a different world altogether. Knowing things through psychology is just a feeling you just can't express. It ...