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TIL An ant mill is an observed phenomenon in which a group of army ants, which are blind, are separated from the main foraging party, lose the pheromone track and begin to follow one another, forming a continuously rotating circle. The ants will eventually die of exhaustion.

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PYa9E TIL Norway sends the UK Christmas trees every year as a symbol of gratitude for “preserving Norwegian liberty” during World War 2.
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