Honey bees flap their wings 200 times per second.
Why it is true
This incredibly fast movement is what creates the familiar buzzing sound we hear. It also generates the airflow needed to keep the hive cool and ventilated.
Source: Entomology
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.