When scientists discovered DNA and its double-helix form, they had finally identified the molecules that contain every human’s unique genetic code. But determining how those instructions were ...

Next, the team plans to develop pencil-and-paper-based electrodes with wireless capabilities, says Yan. Proceedings of the National Academy of Sciences DOI: 10.1073/pnas.2008422117 .

Tap the pencil icon on the upper left of the pen tool. By default, a pen, two grayscale pens, a marker, a pencil, and erase drawing are set. Below is a comparison of writing with two types of ...

Paper electronics MacGyver would be proud. By drawing a rectangle on a piece of paper with an ordinary pencil, researchers in China have made a strong, highly sensitive sensor that can measure how ...