Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you’re reading this on your phone, there’s a nine-in-10 ...

Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

Mr. Litt is the author of “It’s Only Drowning: A True Story of Learning to Surf and the Search for Common Ground.” Not too long ago, I felt a civic duty to be rude to my wife’s younger brother, Matt ...

Everyone loves a good puzzle, whether you're a Wordle fanatic or addicted to Connections. But this new brain teaser tests your observation skills rather than your knowledge of words, and 80 per cent ...

THERE are different ways to put your brain to the test, from optical illusions that warp the way you see the world to tricky challenges that’ll leave you scratching your head. This puzzle will test ...

A majority of U.S. adults (55%) say that whether something is right or wrong often depends on the situation. Fewer than half say there are clear and absolute standards by which to decide whether ...

A survey from conservative-leaning pollster Rasmussen Reports showed a plurality of Americans believing the country is on the right track for the first time in two decades this week. Newsweek reached ...

A question about triangles left people flummoxed with only 1 % able to solve the brainteaser. Competitors are asked to count the number of triangles which exist within an image. And the answer looks ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What is a triangle? We all know that a triangle is a three-sided shape — 1, 2, 3 sides. A triangle also ...

Charles Binkley (@CharlesBinkley) is the director of Bioethics at the Markkula Center for Applied Ethics. Views are his own. So, what is at the root of this fundamental difference over health care?