To become a U.S. citizen, you now have to take a citizenship test that’s twice as long as it was before, with more than half ...

There's a line of thought that equates intelligence with “pattern recognition.” How do you stack up on this unique cognitive ...

All our brain-teasers in one place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. So, you're some kind of PC gaming expert, are you? Then ...