Reproducibility is a key to successful experimentation. Presently, there is a crisis in chemical and other scientific research: lack of reproducible results

## Pi Day 2018: The Ubiquitous π

It’s about that time again – time to enjoy a taste of mathematical theory, and a bit slice of pi.

## Hollow Airtight Sphere With 100% Albedo: Ask the Expert Question

What happens to a light inside a sphere with 100% albedo? Our science experts discuss the results of this theoretical question.

## Multiplication Math Tricks: Multiply Like the Egyptians

The ancient Egyptians didn’t have a zero, so how did they multiply? Try this math trick to manipulate numbers and help students master multiplication.

## MegaMoon 2016: The November Full Moon Will Be The Biggest And Brightest In 68 Years

No, it’s not your medical marijuana working overtime. The moon really IS bigger and brighter on November 13 to 15, 2016. It’s the grand finale of a three-body celestial dance.

## What’s The Proper Date On Which To Celebrate Circles? Not As Easy As Pi

The Ryder’s Cup of math(s): Competing Pi Days. Which continent’s got it right? Or are they both wrong?

## Al Qaeda and ISIS – the “Sacred Dimension” of Terror

Al Qaeda and ISIS are Islamic movements that combine modern technology and methods, but have differing ideologies.

## Albert Einstein – In Science or Philosophy Nothing is Random

According to scientist Albert Einstein, our actions have been determined from the onset of the Universe – and we have no free will except for freedom from coercion.

## Introduction to Bayesian Probability and Bayes Theorem

This quick refresher about probability shows how to use Bayes’ Rule in simple situations and is an introduction to frequentist versus Bayesian probability.

## Detecting or Avoiding the Yule-Simpson Paradox

One alternative may out-perform another in each individual test, yet do more poorly when all tests are combined. That’s the Yule-Simpson Paradox.