👉 Learn how to find the mean, the median, and the mode of a set of data. The (arithmetic) mean of a set of data is the ...

Box jellyfish do not have brains — yet, a new study shows they are still capable of learning. Researchers over time managed to train box jellyfish to avoid obstacles in a low-light environment. That ...

For Caribbean box jellyfish, learning is literally a no-brainer. In a new experiment, these animals learned to spot and avoid obstacles despite having no central brain, researchers report September 22 ...

Because box jellyfish are so distantly related to other animals, the research findings could hint at how the ability to learn first evolved. By Veronique Greenwood In the dappled sunlit waters of ...