NP “proof” here:http://tinyurl.com/2wqandk
(essentially, it's still being discussed and worked on, and we're a long way from final resolution)
The 3rd "Mathematics and Multimedia Blog Carnival" is up-and-running here:
http://math4allages.wordpress.com/2010/09/13/blog-carnival-3/
Some unresolved prime number questions here:
http://twitpic.com/2ou1x8
And lastly, another quickie puzzle (that MAA's "MinuteMath" ran recently):
A certain positive integer "x" has the property that x% of x = 4. What is "x"?
answer below:
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solution x = 20
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