It turns out that the one sitting quietly at the side sometimes knows everything

Please meet the ascidians, little creatures that hold the answer to the question of whether the sea and the seashore are polluted just now.

It turns out that the one sitting quietly at the side sometimes knows everything
It turns out that the one sitting quietly at the side sometimes knows everything

It turns out that it is not easy to know whether the sea is polluted at the moment. Little sea creatures called ascidians (sea squirts) filter dozens of liters of water every day, and by sampling these creatures we can accurately characterize the severity of pollution at the site.

Tel Aviv University, P.O. Box 39040, Tel Aviv 6997801, Israel
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