The outer regions of galaxies, like our own Milky Way, rotate much faster around the centre than can be accounted for by the quantity of ordinary matter like stars, planets and interstellar gasses.

Researchers quantified the collective action of small schools of fish using information theory. They found that groups of three act very differently compared with groups of just two. This work may ...

Tsukuba, Japan - Researchers at the University of Tsukuba used advanced metrics from information theory to describe the collective behavior of small schools of ayu fish. They found that the overall ...