Approach this like a math puzzle —strategically and methodically. With each row containing six triangles, and a systematic count (from left to right and top to bottom), most people on the internet ...

Details Here are two shapes, one large and one small. Each is made up of little triangles. Dipping your fountain pen into the ink one time gives you just enough ink to draw four little triangles, as ...

When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...

An audacious heist at the Louvre saw thieves make off with priceless crown jewels in broad daylight – here is how a decades-old geometry problem can help museums boost their security.

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the ...

Over a feverish 10-day period, scientists synthesized and described a new class of carbon molecules, called buckminster ...

Rocky Point High School math teacher Jay Rand likes to challenge his students with a classic head-scratcher on the first day ...

Drop an e-mail to the good folks at a culinary-specific bookstore, such as Kitchen Arts & Letters, in New York, or Now ...

New England Patriots' Bill Belichick has been coaching in the NFL since 1975. To put that in perspective, “Jaws” was the number one movie at the box office, “Lucy in the sky with diamonds” by Elton ...

Our critics review hundreds of books a year. Here are their favourites, from fiction and crime to memoir and history ...