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Smart is the New Sexy

Math is an art, I've always known it.

a world map scaled by population:

Very interesting combination of art and technology:

Face-mapping technology already exists, often used in marketing initiatives. But I wanted to focus on the expression of [beauty] and [make-up art] instead of technological gimmicks and impacts. But this demands a higher level of technological precision. A subtle mismatch in projection would ruin…
We only use 10% of our brain. We evolved from chimps. Dairy foods increase mucous. Pfffff! These and 45 other myths & misconceptions debunked. Solidly.
Joanne Lipman writes that today's educators are too soft. It is time to go back to the discipline of the past.
The Math Mom added a new photo.
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These floating street performers have been seen atound European capitals this summer. How does it work:…

These Prague street performers have pulled off one of the finest executions of the levitating man illusion you will ever see. For those of you who hate fun and wonder, we've got the secret — and the physics — behind this ancient trick.
With a new app, young children learn important skills as they program stories and games.
The Math Mom updated their profile picture.
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Shortest Way to Help Grandma

You and your grandma live on the same side of the river. You need to find the shortest way to walk from your house to the river (with an empty bucket), fill the bucket with water and bring the water to your grandma. The …

What does it take to change an Army?

Here is a new great puzzle my coworker shared with me. By the way, he is in a delivery room right now waiting for his twin boys to emerge. All the best, Jonathan!


In a faraway land, the Queen's Army consists …

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Something to do with your kids this summer.

This came highly recommended from Peggy Orenstein, a well-know author.


She wrote:

Daisy (my daughter) and I are taking a 6-part online course by math guru Jo Boaler and it is truly life-changing. It is …

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Hong Kong Elementary School Admission Test

Can you solve this in 20 seconds? If not, perhaps you are like I not ready for the 1st grade.

Try it on your iPad or a Smart Phone, this could help:)


The answers are accepted any time until …

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Six 20-minute sessions that will change your attitude toward math, online, FREE from Stanford, come highly recommended.

A short intervention designed to change students' relationships with math.

New music video filled with cool optical illusions:

Pre-order the new album, Hungry Ghosts (Oct 14) now at and get this song and 3 more as instant downloads. LYRICS: Listen, I know it's ...