Tiny Chip Measures Blood Flow

Tiny Chip Measures Blood Flow

Ever listen to a train, or airplane, or helicopter as it approaches, passes, and then starts going away? The sounds are higher pitched when approaching, and lower pitched as the source of the sound moves away. The reason for this is that relative to your stationary...
Sweat Reveals Data in Real Time

Sweat Reveals Data in Real Time

“Horses sweat, men perspire, and women glow.” This holdover from the Victorian Era may split hairs on behalf of social sensibilities at the expense of science, but the fact remains that human skin secrets fluids that is much more than just salty water. It...
Hi-Tech Sticker Monitors UV Exposure [video]

Hi-Tech Sticker Monitors UV Exposure [video]

Humans need vitamin D for a long list of benefits including healthy bones and even preventing some forms of cancer. Sun exposure remains the best source of vitamin D. Unfortunately, according to the American Cancer Society, too much exposure to the sun can contribute...