Home soil testing kits easily read the pH and nutrient levels of the sample, but they can differ greatly from more precise ...

Uber is testing out new ways to make their cars a little more visible. According to an Uber blog post, the company is hoping to make pickups a little easier by color-coding in Seattle. This technology ...

Researchers have developed a color-coded test that quickly signals whether newly developed nanoparticles -- ultra small compartments designed to ferry medicines, vaccines and other therapies -- ...