# The Whys, Wherefores, and Wonders of Mathematics

Check out this delightful video of math teacher Paul Lockhart—author of *Measurement, "*a permanent solution to math phobia by introducing us to mathematics as an artful way of thinking and living"—waxing lyrical about the splendors of mathematics and mathematical thinking, and why "the mathematical question is always…

# Can You Solve the Math Problem That Has Torn Singapore Apart?

A question on a quiz for teenage mathletes proved so tricky for Singapore newscaster Kenneth Kong that he posted it to Facebook to find a definitive answer. Now the problem has driven the entire country mad, and it's spreading to the rest of the world.

# These Knotted Cords Are A Sophisticated Ancient Counting Tool

This looped and knotted section of cords is not only beautiful, it's also a 500-year old mathematical tool.

# Is A Kilobit 1,000 Or 1,024 Bits?: A Mathematical Debate Explained

What is a kilobit equal to? The answer is 1,000 bits, but some people say it should really be 1,024.

**How long would it take to fall through Earth? **For years, physics students have been told the answer is 42 minutes. But a new calculation, published in the latest issue of *The American Journal of Physics*, gives a more accurate travel time of 38 minutes. Over at *Science*, Adrian Cho unpacks the new equation.

# This Week's Puzzle Is Impossible. Can You Explain Why?

The solution to this classic puzzle is that it's impossible to solve. But can you explain *why* it's impossible?

# Lose Yourself In The Captivating Kinetic Sculptures of Jennifer Townley

Netherlands-based artist Jennifer Townley combines wood, metal, and electrical motors to build spellbinding mechanical creations.

# Can You Solve One Of Archimedes' Most Challenging Puzzles?

Archimedes was the greatest mathematician of antiquity. He was also a lover of puzzles, which he would devise and pose to his contemporaries. This week, we present you with two versions of what is arguably Archimedes' most challenging puzzle ever.

# You'll Have To Think Like A Pirate To Solve This Week's Puzzle

Pirates, of course, are notoriously greedy – but they're also incredibly shrewd. And don't forget, they'll kill you, if given the chance.

# Chicks Might Map Numbers From Left To Right – Just Like Us!

When you think of the numbers 1–10, you probably envision them running along a line, with 1 on the left and 10 on the right. Scientists have long debated whether this tendency is hardwired or culturally instilled. This week, the hardwired camp scored a major point. Young chickens, it seems, also map numbers from…

# Can You Solve This Puzzle Blindfolded?

This puzzle would be a lot easier without the blindfold. Are you up for the challenge?

# How To Prove A Geometric Formula With A Clementine And A Piece of Paper

Here's a fun demonstration from Cornell maths professor Steven Strogatz. Take a clementine (or any spherical, peelable fruit) and trace around its widest part four times. Then peel it. Flatten out the peelings as best you can and divvy them up evenly among the circles. Voilà! Tangible proof that the the surface area…

# The Correct Way(s) To Load A Dishwasher

The dishwasher! The perennial optimization problem. Even the chronically untidy have been known to harbor strong opinions on efficient loading technique. But did you know dishwasher manuals actually include photos and illustrations of ideal rack layouts? (Be honest – did you even realize your dishwasher had a manual?)

# This Math Equation Is Also A Limerick

This week's Sunday Puzzle looks like a mathematical equation. Well, it *is* a mathematical equation. But hidden in that equation is a poem. Can you recite it back to us?