Brain teasers detective puzzles are a real-time test of your brainpower, observation, logic, and critical thinking. These puzzles are designed to reveal your attention span and processing speed. Now ...

Some riddles remain unsettling even after the solution is revealed. This one exploits how the human brain processes logic, assumptions, and certainty. Knowing the answer doesn’t remove the discomfort ...

Answer: 42.5 (Subtract 36 from 49, divide the answer by two. Add that number to 36 to get the answer). Answer: 888 + 88 + 8 + 8 + 8 = 1,000. What number do you get if you multiply all the numbers on a ...

Study shows dreams really do solve problems. Scientists doubled problem-solving success by playing sounds during sleep to ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. It happens to the best of us. You have a task on your to-do list, a workout, a difficult email, or ...

A logic puzzle with aliens who can only ask yes or no questions reveals how quickly reasoning can become paradoxical. Indian man shoots wife, 3 others dead during family dispute in US as kids hid in ...

Scientists have used a specially engineered virus to help track the brain changes caused by psilocybin in mice, revealing how the drug could be breaking loops of depressive thinking. "Rumination is ...

Researchers found that repeated head impacts can disrupt a key system that helps the brain wash away waste. In professional fighters, this system initially seems to work harder after trauma, then ...

New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being ...