SPIEGEL's Johann Grolle spoke to researchers about a phenomenon that is currently worrying many of them. Over warm seas, more water evaporates and then rains down again.
From now on there is a threat of “medicines” in the Mediterranean that are similar to hurricanes in the Atlantic. Biologists want to seduce real northern ibises flying by with a dummy northern ibis. They should build a nest in a rock wall on the shore of Lake Constance.