Contrary to common belief, not all vertebrates regulate their sleep-wake rhythm in the same way. University of Basel researchers have discovered that some fish – unlike humans – do not need orexin to ...

The blind Mexican tetra, a species favored by evolution researchers, has revealed yet another quirk of natural selection—the cave fish doesn’t have an circadian rhythm, a curious tick that isn’t ...

NPR's Ailsa Chang talks with Regina Barber and Anil Oza about rhythms and the brain, how electric fish sense their environment, and a new methane-detecting satellite. It's time now for our regular ...

Eating fish is beneficial for people with abnormal heart rhythm, according to a new report which speaks of its positive influence on the electrical system in the heart Eating fish is beneficial for ...