Listen to more stories on the Noa app. For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across ...

HISTORIANS of mathematics attribute the first use of the cross x as a symbol for multiplication to William Oughtred (“Clavis Mathematicae”, London, 1631). See W. W. R. Ball's “Short Account of the ...

Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated history of working in both institutional and retail environments, from broker-dealers to ...

Mathematical formulas. Maths. Scientific and educational concept. Science. Chromakey background. Green screen. Royalty-free licenses let you pay once to use copyrighted images and video clips in ...