news.arizona.edu

NXnBQ TIL That the eyesight of peacock mantis shrimp is far superior to humans. They have 12 to 16 types of photoreceptors (we have 3), have trinocular vision, can detect circular and linear light polarization, have a much higher flicker fusion rate and have specialized mid-band regions in their eyes.
1amOd TIL: Modern sewage systems in the USA are designed to accommodate a peak demand or 'Super Flush' at halftime of the Super Bowl, the one time of the year that everyone uses the toilet at the same time.