A mathematics puzzle doing the rounds on social media is leaving many scratching their heads with its challenging question.

People have been left scratching their heads over a children's homework question that 'makes zero sense'. The maths problem has sparked a debate on social media as adults try to figure out the answer, ...

The college in Portland, Oregon is set to host a month of whiteness history Wikimedia Commons A US community college is set to dedicate a month to 'whiteness' history, studying the narrative of racism ...

A brainteaser from the ARC challenge, designed to stump AI, currently has thousands of humans scratching their heads too. A problem from the ARC Prize website has stumped plenty of humans ...