At the very beginning we made an exhibition with friends and word spread like ripples in water, I hoped the exhibition would be made by a big circle of artists themselves, not with curators or gallerists. (nakanojo-biennale.com)
Ripples in the water made by throat sac expansion in calling túngara frogs signal their presence both to rivals and to predatory bats. (science.sciencemag.org)
The insects create ripples in the water, which generates drag at speeds greater than 0.23 meters per second (more drag than when the beetles just fly through air). (sciencenews.org)