Kinetic Sculpture Race: Middle School Club Tackles A STEM Brain Teaser : NPR Ed How do you pedal a 200-pound pink brain — made of rubber, foam and steel — up 45-degree hills, ...

We bring you a unique puzzle in which you need to find the value of A and B. As easy as this puzzle may sound, you might have a hard time reaching its answer. | Trending ...

Brain Teaser: A boy gone to scuba diving and lost his shoe in the middle of the ocean. Test your vision sharpness and spontaneity with this picture puzzle. The Timer is On!