Brown, red and green these are the colors of propolis. But what is this Propolis you ask? Propolis is a resin like substance that is collected by bees from poplar and cone bearing trees and is mixed with beeswax and salivary enzymes. The bees use propolis for protecting the hive against microorganisms, predators, and temperature … Continue reading The Many Colors of Propolis: The Tiny World of Bees