Alexander Bobenko has spent the past 20 years chewing on mathematical doughnuts. In the 2000s, he tried to prove that compact ...
Practical ways to plan study time, sustain attention, check comprehension, and strengthen memory—so effort leads to more ...
Our government has entered a new and dangerous era of corruption. This is a reason it so often fails to work, a cause of the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results