Andy: Today, we'll be trying out the Prinker, a device that prints temporary tattoos in seconds, apparently. So, if you're thinking about getting your first tattoo or you've got one that you wish ...

temporary "e-tattoos."… Brain activity is measured with electroencephalograms (EEGs), common tests used to help diagnose conditions such as epilepsy, sleep disorders, and brain injuries.

after printing electrodes on a temporary tattoo paper and pairing it with a special sensor. After a meal, the electrodes generate a current for about 10 minutes, which then draws glucose towards ...