Pollen catapult

The bunch berry dogwood tree releases its pollens in under one milisecond. Pollen is accelerated at 24,000 m/s², which is 2400 times the acceleration of gravity and 800 times that experienced by astronauts during liftoff. Pollen leaves the plant with an initial velocity of more than 4 m/s and is propelled an impressive 2.5 cm into the air, over ten times the height of the flower

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