Yesterday we had photographs of miniature water droplets. Today we continue the miniature theme with the world’s smallest aquarium. Just how rapidly, TOTD wonders, can 10 ml of water evaporate? http://www.telegraph.co.uk/news/newstopics/howaboutthat/8778514/Worlds-smallest-aquarium-holds-just-two-teaspoons-of-water.html [Thanks to FS for this suggestion]