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, ...

Through the story of the whale ship Essex, novelist Karen Thompson Walker describes how our most vivid fears are often not the most realistic. What's The Difference Between Rational and Irrational ...

Irrational numbers are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ...

Mathematics students face challenges with rational and irrational numbers. Understanding the principles and patterns simplifies this concept. Rational numbers can be fractions of integers. Irrational ...

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

Through the story of the whale ship Essex, novelist Karen Thompson Walker describes how our most vivid fears are often not the most realistic. In Karen Thompson Walker's 2012 novel The Age of Miracles ...

I wish I could tell you the secret to always staying calm, cool, and collected in your relationship. But the reality is, no matter how confident you are, fear has a way of creeping in and screwing ...

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 ...

I was reading about π (pi) today, and of course, went to wikipedia to read about it. One thing that I don't remember so clearly from math class (sad, since I was a mathematics minor....) was ...