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An additional hour of sleep can make a huge difference in how you feel the next day (especially when you …Tags: Jawbone, sleep

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Solution at the bottom of this page.Like this problem? Try our Contest Problem Book series!Curriculum Inspirations is a collection of resources for Middle and High School Math Teachers that demonstrate practical ways to engage students in the lively exploration of mathematics and mathematical thinking using problems from America’s longest-running and most successful mathematics competition. Developed by James Tanton, these resources include Ten Problem Solving Strategy Essays and
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In this investigation students calculate the percentage of the U.S. population (current and historically) that are enrolled in K-12 schools. They are asked to draw conclusions from these variations. Finally, they use their calculations to predict the number of enrolled…Read more →

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After McMullen’s laudatio on Mirzakhani, it was time for Sanjeev Arora to talk about the work of the Nevanlinna prize winner Subhash Khot. It was also the time that a significant proportion of the audience decided that enough was enough and left the room. The same thing happened in Hyderabad four years ago, and on […]

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“$\cos^{-1}(0.93333)$, said the student. A GCSE student, struggling a little; the Mathematical Ninja bit his tongue rather than correct him to $\arccos$ or to $\frac {14}{15}$; he also accepted, grudgingly, the answer was going to be in degrees. “Maybe 21 bad degrees?” “21.04”, said the student. “Not too terrible.” “I suppose you’re wondering,” said the Mathematical Ninja, directly to camera, “how I did that. Well, let me tell you. It went down like this: * Work out
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rmathematicus tweeted: @rmathematicus

RT @historybeagle Today at Sloane Letters: How to Build a Universal Collection, or Nicknackatory. (By James Hawkes) http://t.co/9uhPBx9aaO

2014-08-20 18:01:01

rmathematicus tweeted: @rmathematicus

RT @historybeagle: RT @weareji: Another take on the Plague/Nursery Rhyme topic + the curious matter of rats & the Pied Piper: http://t.co/C…

2014-08-20 18:00:24

rmathematicus tweeted: @rmathematicus

RT @historybeagle: Interesting post and post comment on rReligion, changes of pain from #earlymodern to modern. By @prof_goldberg: http://t…

2014-08-20 17:59:37

rmathematicus tweeted: @rmathematicus

RT @historecipes Sylvie Neven on reconstructing #medieval #pigments
http://t.co/iOJZpmQ7BA #recipes #arthistory

2014-08-20 17:58:21

rmathematicus tweeted: @rmathematicus

RT @NMMGreenwich: Join award-winning writers, artists & film-makers to discuss our relationship with the whale: http://t.co/Uu9quWY3P5 http…

2014-08-20 17:50:28

rmathematicus tweeted: @rmathematicus

RT @fcablog: I'm worried my unborn child might grow up to be Richard Dawkins

2014-08-20 17:49:42

rmathematicus tweeted: @rmathematicus

RT @garyface: A Richard Dawkins tweet is a lot like an episode of Game of Thrones. There are 140 characters & something unimaginably awful …

2014-08-20 17:47:13

rmathematicus tweeted: @rmathematicus

.@PublicDomainRev B van de Roemer explores Levinus Vincent's exquisite cabinet of curiosities http://t.co/otJJz5dLLc http://t.co/myywZ9dpQL

2014-08-20 17:46:14

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