Here are 100 riddles for adults perfecting testing your brain. Q: What must be broken before you can use it? A: An egg. Q: ...

Brain Teasers For Adults: Questions. pixdeluxe/E+/Getty Images. Take me out of a window, and I leave a grieving wife. But stick me in a door, and I can save somebody's life. What am I?

Students quiz aging adults to improve brain function Eddie Nash, right, a UCLA sophomore and volunteer with the UCLA Brain Exercise Initiative, participates in a trivia quiz with seniors at a ...

Scientists say they have very strong evidence that the adult human brain is capable of making new neurons, a point of ongoing controversy in neuroscience.

Undergoing mild brain stimulation for four days in a row improved short-term memory in older adults, including those with mild cognitive decline, a new study found. CNN values your feedback 1.