Daily Mail on MSNOpinion

Supposedly simple math sum leaves people confused - can you solve it in 30 seconds?

Get out your timer and number two pencil to see if your arithmetic skills are still sharp.
Smithsonian Magazine

Mathematicians Puzzled Over a Famous Problem for 80 Years. Now, They’ve Used A.I. to Identify a Clever Solution

In 1946, the mathematician Paul Erdős posed the unit distance problem—and suggested a winning strategy. An A.I. model has now ...