Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. After all of the fun we’ve had recounting the tales of Knot Dude, ...

A computer made from strands of DNA in a test tube can calculate the square root of numbers up to 900. Chunlei Guo at the University of Rochester in New York state and colleagues developed a computer ...

Follow live coverage of South Carolina, NC State and Iowa, UConn in women’s Final Four today Filling out brackets is an American tradition every March, with the draw of the NCAA Tournament pulling in ...

Depending on whether the month and day are single- or double-digit, perfect square dates may appear in six-, seven-, or eight-digit forms. For example, this year’s Labor Day is expressed as 9/1/2025 ...