Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Mathematics students often encounter confusion when distinguishing between rational and irrational numbers. However, mastering this fundamental concept becomes straightforward once you understand the ...

Fear. Every human on the planet experiences fear. Sometimes, as we grow older, we get over our fears. Sometimes, as we get older, we develop new fears. When you think about things you fear, you will ...

The ancient scholar Hippasus of Metapontum was punished with death for his discovery of irrational numbers—or at least that’s the legend. What actually happened in the fifth century B.C.E. is far from ...

Dr. Cathy Frank answers the question: 'Difference Between Anxiety And Phobia?' — -- Question: What is the difference between anxiety and phobia? Answer: A phobia is a type of anxiety. It's an ...

Rational emotive behavior therapy (REBT) is a type of therapy introduced by Albert Ellis in the 1950s. It’s an approach that helps you identify irrational beliefs and negative thought patterns that ...