(A) Maze channel design, (B) guiding electric stimulation, (C) punishing electric stimulation, and (D) punishing heat stimulation. The lower-right image is a thermal image of the maze surface. The ...

Google "improve leg circulation" and you may see sponsored ads for electronic muscle stimulators that claim to boost blood flow to your feet. But is there any evidence they work? A transcutaneous ...

Imagine getting a boost of motivation to work out, not from a drug or power drink but via a cap that delivers a gentle tingling sensation. And imagine a similar gentle tingle that could also help ...