This machine uses centrifugal force to separate honey from the hive, keeping it fluid. Credit: Instagram /@sugi_bee_keeping ...

while artificial honey often remains perfectly smooth and fluid. Over time, a characteristic white coating forms on the surface—these are sugar crystals that indicate the high quality of the honey.

The bees are guarding gallons of a sticky, reddish fluid known as mad honey, which, thanks to its hallucinogenic properties, sells on Asian black markets for $60 to $80 a pound—roughly six times ...

That is because honey's viscosity is large compared to other liquids' viscosities. If I fill the same cup with water, for example, the cup will drain much more quickly. Viscosity is a measure of a ...