Fish schools and krill swarms take on common shape
Saturday, September 18, 2010 - 08:28
in Biology & Nature
When fish or tiny, shrimp-like krill get together, it appears they follow the same set of "rules." According to a new study, shoals of fish and swarms of krill hang out in groups that take on the same overall shape; it's not a simple sphere, a cylinder, or ovoid, but something more akin to an irregular crystal, the researchers say.