ScienceResearching water fleas To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience07/23/2021July 23, 2021What do water fleas reveal about how well a body of water is doing? A scientist from Indonesia is studying the tiny creatures in Lake Constance and observing how they adapt to their environment – meaning also to human influence.https://p.dw.com/p/3i0nPAdvertisement