Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
NBC News’ Kristen Welker on Wednesday asked Mehmet Oz — the former talk show host and heart surgeon who now runs the Centers for Medicare and Medicaid Services — about President Donald Trump’s ...
Suddenly, the need to convert the numbers on the barrel made sense. If I’m entirely honest, crop factor still catches me out sometimes. It’s not hard to see why. Pick up an APS-C interchangeable-lens ...
New NY math guidelines tell teachers to stop testing kids on problem-solving speed to curb ‘anxiety’
The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...
‘Six seven’ sends teens into a frenzy that schools have been powerless to stop. ‘It’s like throwing catnip at cats.’ Math teacher Cara Bearden braces herself for any equation that yields the two ...
The name of this fall’s most obnoxious classmate: Six Seven. Math teacher Cara Bearden braces herself for any equation that yields the two numbers, knowing her students will immediately scream them ...
The meme exploded into youth culture with a video of a boy who delivers a giddy “six seven” at a basketball game. CAM WILDER The name of this fall’s most obnoxious classmate: Six Seven. Math teacher ...
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