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npr.org
wLENW
TIL a bumblebee generates a positive charge by flapping its wings and transfers some to a flower it lands, making other bumblebees easier to sense that pollen of the flower has recently been removed.
ADWb7
TIL that lobsters are notorious cannibals, one of the reason it's hard to have lobster farms
VMpW0
TIL about Dr. Joseph Lister, who was the first doctor to understand the concept of "germs" and why surgeons should wash their hands before operating.