Pencil tattoos could be the most natural wearable sensors yet By David Nield July 15, 2020 Pencil drawings might be the sensors of the future University of Missouri View 1 Images ...

Tattoo-like drawings on your skin might be able to tell you the pH of your sweat or how well you’re sleeping with help from a pencil and paper, according to a new study. Researchers from the ...

What: An eyeliner that will last you all day, all night, and beyond. Who: Maybelline was founded by Thomas Lyle Williams in 1915 when he saw his sister applying coal dust to her eyelashes with ...