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, ...

CPAs often need to communicate complex ideas to people from different backgrounds, whether they’re clients, colleagues, or executives. However, often these audiences won’t understand numbers as well ...

A Mega Millions drawing turned up 66, 67, 68 and 69. Is that unusual? By Victor Mather A total of 70 balls went into a drum for a lottery drawing. Five were pulled out: 56, 66, 67, 68 and 69. Maybe ...

We can never 100% prove that the constants really are constant. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There is a set of very special ...