Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly ...

Mathematica needs you! Add, subtract, divide and multiply your way to victory. Meet the Karate Cats and practice spelling, grammar and punctuation as you chop, kick and smash the challenges. Join ...

Following the American Civil War and the abolition of the slave trade, there were still many people who wanted to keep racist rules and systems. This was particularly the case in the southern states ...

Have you been paying attention to current events recently? See how many of these 10 questions you can get right. Compiled by Michael Gonchar Six Flags announced plans to close some of its parks. What ...

For the purpose of providing educational capital improvements, construction, upgrades, planning, design, and renovation of school facilities and educational facility building life extension projects.