It is hard not to recognize the famous red, yellow, and green traffic signals on roads throughout the globe. By 2025, traffic signals may have one of the biggest changes because one more color will be ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

Traffic lights are a fundamental part of our daily commutes, guiding us safely through intersections and keeping traffic flowing smoothly. For decades, we’ve been accustomed to the standard red, ...

The universally known traffic light has not experienced a significant redesign in almost 100 years, ever since William Pott, a Detroit police officer, created the first three-section traffic light in ...

A recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there has been a dramatic explosion of color signals in ...

Colors are widely used in communication within and among animal species. For example, peacocks proudly display their vibrant tails, adorned with iridescent eyespots, to attract peahens for courtship.