LONDON, ENGLAND - OCTOBER 21: Startup Battlefield Finals, PhotoMath appear on stage at the 2014 TechCrunch Disrupt Europe/London, at The Old Billingsgate on October 21, 2014 in London, England. (Photo ...

Every year, thousands of college students from across the U.S. and Canada give up a full Saturday before finals begin to take a notoriously difficult, 6-hour math test — and not for a grade, but for ...

WASHINGTON - When it comes to adolescents with math and science homework, more isn't necessarily better -- an hour a day is optimal -- but doing it alone and regularly produces the biggest knowledge ...