Kyle Gurkovich will try to break the Guinness World Record for most pull-ups over a 24-hour span. Gurkovich, who set the record twice in 2014 before being eclipsed by others, is relying on brain power ...
Stanford University’s youcubed math center has released a series of free K–12 math lessons in time for the resumption of school. The Week of Inspirational Math (WiM) lesson series for teachers, ...
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