Summary: Some scientists started teaching bees to play soccer. Once they saw one bee get a "goal", and get a reward for it, other bees started doing it immediately. The bees were also very smart about their task, and when there were multiple balls, the bees would get the closest one to make their work easier.
Vocabulary: Reward is an important word that is needed to know about the article. A reward is a thing given in recognition of one's service, effort, or achievement which is a noun. The bees adapted and learned to make a "goal" to receive a reward. Adapt means to become adjusted to new conditions and the word is a verb.