iOS app Android app

Brain Teaser

A This vs. That Brain Teaser

Jon Hotchkiss | Posted 11.13.2013 | Science
Jon Hotchkiss

A golf ball will be dropped simultaneously into two barrels from the same height. Assume currents, viscosity & pressure are the same. In which barrel will the ball hit the bottom first?

Riddles and Brain Teasers

Don Meyer, Ph.D. | Posted 08.18.2013 | College
Don Meyer, Ph.D.

"I never talk back. I listen and always remember your every word, so come pen or mouse, never forget that I will treasure your thoughts forever. Your...

Public Libraries: Community-Based Health Clubs for the Brain

Alvaro Fernandez | Posted 11.17.2011 | Healthy Living
Alvaro Fernandez

Libraries are taking on a new mission to help promote cognitive health in their communities and using the concept of brain fitness.