# What Are the Odds That You Might See a Meteoroid While Skydiving?

You've seen the footage of a rock falling past a skydiver. It looks like this particular object might be a rock accidentally packed in his parachute. So we've done the statistical analysis to figure out what the real chances are that a skydiver would eventually see a meteoroid.

# The time President James Garfield wrote a mathematical proof

So, now that we've reviewed which U.S. presidents in history did the most to advance science, let's turn our attention to which presidents have done the most for math — and the time U.S. president James Garfield wrote a proof for the Pythagorean Theorem.

**Archaeologists in China say they've discovered the world's oldest decimal calculator. **Dating back 2,300 years, it consists of 2,500 bamboo strips inscribed with 65 ancient symbols. The multiplication matrix was used to calculate the surface area of land, crop yields, and taxes.

# Why don't the Simpsons live in a base 8 world?

The latest episode of Numberphile delves into a particularly interesting reference to pi from the *Simpsons* episode "Marge in Chains," while raising the very valid question as to why the Simpsons – who have eight fingers apiece – don't live in a base eight world.

# This ingenious video converts equations and diagrams into real life

Virtually everything in the Universe is driven by math, though it's often very difficult for us to see it. An illuminating new video by Yann Pineill and Nicholas Lefaucheux corrects this by aligning mathematical equations and complex diagrams alongside the day-to-day machinations of the world around us.