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 ...

When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

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, ...

Rational emotive behavior therapy (REBT) is a therapy approach that focuses on managing irrational or unhealthy thoughts, emotions, and behaviors. In contrast to more passive talk therapy, REBT ...