Unpicking How to Measure the Complexity of Knots

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Big Ten says USC should have been penalized after QB, punter shared number for trick play

The Trojans' third-string quarterback, Sam Huard, wore punter Sam Johnson's number on a fake punt to fool the Northwestern ...

Struggling with Excel Formula Errors? This Guide Has the Answers

Fix Excel formulas that won’t spill! Learn how to troubleshoot #VALUE errors caused by Analysis ToolPak functions and improve your workflow.

Q&A: How mathematics can reveal the depth of deep learning AI

Artificial intelligence (AI) is increasingly prevalent, integrated into phone apps, search engines and social media platforms ...
PC Magazine

Spam Calls Are Out of Control. Here’s How I Stopped Them

Thanks to unknown callers, robocalls, spammers, scammers, there's never been a better time to just not answer your phone. Don't put up with the deluge; here's how to stem the tide. I review privacy ...
Scientific Research Publishing

Warm Dark Matter Studies with Spiral Galaxy Data ()

We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...
Arizona Daily Star

11 shootings by city police equal number for all 2004

On Oct. 1, Solano and another man fled from police. They were suspected of kidnapping and connected with the attempted murder of an undercover officer. As they ran into desert, police heard one shot ...