The world belongs to the mathematicians and the physicists. We lay people may pump our minds with Discovery Channel specials, but they’re the ones who get to understand how it all really works–how the ...

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, ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...

Pine cones. Stock-market quotations. Sunflowers. Classical architecture. Reproduction of bees. Roman poetry. What do they have in common? In one way or another, these and many more creations of nature ...

As much as we hate numbers, we know we can’t escape them. Just when you thought you were rid of your primary and high school classes, numbers are everywhere. They can be part of your job and they ...

Remember the days when working a math problem resulted in a right or wrong answer, and parents had a basic grasp of how to help their children with math homework? Those days predated the Common Core ...

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 ...

Math Riddles with Answers: Let us solve another interesting and difficult math puzzle. In this Missing Number Series Puzzle, you need to find the missing number in the place of the question mark in ...

E= (A+B) - (C-D) where A=7, B=5, C=6, and D=3 If you observe the sequence of table above, 1, 3, 5, 9, 11, 13 are increasing with a difference of 2 and 1, 2, 3, 5, 6 ...