When the last blue pigment was discovered, Thomas Jefferson was in the White House. The recent creation of YInMn blue is a thrilling tale complete with expletives, accidents and invisible abilities. Just ask chemist and materials scientist Mas Subramanian.

In the settling of the western US, it fenced off farm acreage and kept out grazing cattle — and made the concept of land ownership in America a physical reality.

Bioengineering professor Manu Prakash brought the world a 50-cent microscope. Now he’s created more cheap public health tools, including a paper centrifuge and a mosquito identifier. And he’s just getting started.

When 12-year-old Peyton Robertson sees a problem, he is going to fix it. So when the young scientist noticed a perennial problem in his hometown of Fort Lauderdale, Florida –flooding during the region’s nasty hurricane season – he set to work building a better sandbag. Peyton’s sandbag contains an expandable polymer that’s lightweight and easy […]