A rainbow on Venus is called glory. Appearing as a series of coloured concentric rings, these are caused by the interference of light waves within droplets, rather than the reflection, refraction and dispersion of light that makes a rainbow.
100 Mind-Blowing Droplets Facts
Instant coffee was made in 1901. The extract is made by brewing ground coffee beans and then spray-drying it with hot air. The droplets then turn into a fine powder.
You spray 2.5 drops of saliva per word. The average talker sprays 300 microscopic saliva droplets per minute. No one has the statistics for announcers and DJs yet, though.