There are 36 cards labeled with the numbers 1 through 36 and then placed face down on a table. If four cards are revealed one after the other, what is the probability that each card’s number is larger ...
If you are looking for engaging experiences that aren’t overwhelming, try the plethora of puzzle apps available. There are ...
Matheminecraft puts players in a classic math puzzle called an Eulerian cycle, which you’ve almost definitely tried before. Can you draw a star without crossing your own line or lifting your pen? This ...
The inside of a bus may not seem like the ideal place to rekindle your interest in math, but a group of mathematicians is betting it will. Last month, the Mathematical Sciences Research Institute of ...
In 1974, a geneticist named Marsha Jean Falco devised an ingenious research tool to help determine whether epilepsy in dogs was an inherited trait. She drew a series of symbols on index cards, where ...
Jigsaw Puzzles are tiling puzzles that require the assembly of some irregularly shaped, interlocking pieces of card in a regular and perfect shape that forms a complete picture. Jigsaw Puzzles are a ...
Imagine someone handing you a scrap of net from a basketball hoop, with knotted red cord attached to the netting, and telling you this bit of string is a clue in a puzzle. How quickly — if ever — ...