Red means "Green light, go for it!" Green means: "hmm, better not!" Like an upside down traffic light in our brain, color helps us decide whether or not to eat something. This new study states that ...

Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

Each kind of commercial and emergency vehicle follows a certain color code or symbol. For instance, you will find a snake symbol on almost all ambulances, and the color of the school buses is always ...