AI startup Exa recently took an IRL approach to recruiting, posting math problems all over San Francisco with a free dinner ...

A math puzzle in the form of a brain teaser tests the ... the first number from the first digit of the first number. 9 - 7 = 2, and the last digit is 1; therefore, the number becomes 21.

Editor’s Note (4/7/25): The puzzle solution was edited after posting to provide a process with even fewer planes, as ...

For a long time, the Kakeya conjecture, which involves rotating an infinitely narrow needle, kept mathematicians ...

Puzzles and brain games are a great way to keep your mind sharp and test how well you catch the small details that are meant to throw you off. They’re not just entertaining — they help boost your ...

Five desktop apps have survived the chopping block since the release of Windows 1.0 in 1985 until the present day. Here is a ...

A seemingly simple math problem about dividing pizzas sparked debate when someone highlighted a potential flaw in the assumed answer.

Microsoft says: ‘It’s the perfect tool to help you complete your math homework, manage your finances, plot and analyze equations on a graph, and evaluate algebra, trigonometry, and complex ...

A new proof solves the “Kakeya conjecture” in three dimensions, opening up a new set of possibilities for mathematics, from computer science to cryptography ...

The FBI will send extra personnel to 10 states over the next six months to help investigate unsolved violent crimes in Indian ...