Can you figure out easy-looking math sum in 30 seconds by remembering the special rule?

The answer to this mathematical brain teaser is NOT 40 - can YOU solve it in 30 seconds by remembering the special rule?
YouTube on MSN

Building a mechanical calculator for multiplication: DIY to CNC precision!

Watch as a frustrating math problem inspires a creative journey from paper to precision engineering. See how a simple multiplication error sparks the design of a mechanical DIY calculator, beautifully ...
EL PAÍS English

How does artificial intelligence think? The big surprise is that it ‘intuits’

Something extraordinary has happened, even if we haven’t fully realized it yet: algorithms are now capable of solving ...
WVTM Channel 13 on MSN

Tuggle Elementary School beams with pride in academic performance, encourages intercession

Student achievement is on the rise at Tuggle Elementary School in Birmingham. Leaders are encouraging more students to take ...
Edutopia

4 Ways to Make Story Problems More Engaging and Accessible

Four simple strategies—beginning with an image, previewing vocabulary, omitting the numbers, and offering number sets—can have a big impact on learning.
IEEE

Lessons from $a$ Dragon Fly's Brain: Evolution Built a Small, Fast, Efficient Neural Network in a Dragonfly. Why Not Copy It for Missile Defense?

Abstract: IN EACH OF OUR BRAINS, 86 billion neurons work in parallel, processing inputs from senses and memories to produce the many feats of human cognition. The brains of other creatures are less ...
The New York Times

The Learning Network

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Shivani Gonzalez, a TV reporter, joins us in ...