We take on a challenging vending machine puzzle, breaking down the strategy and clever mechanics behind its creative solution. Lisa Phillips was in her twenties when she went to Jeffrey Epstein’s ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

Bottom line up front: Small business owners are losing critical hours each week to mailing and shipping tasks—time that could be driving revenue instead. A recent survey from Stamps.com reveals that ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...