Beauty sleep
Getting a good night’s sleep is key to looking attractive, according to a study at the Karolinska Institute in Sweden. Observers judged the faces of 23 sleep-deprived subjects as less healthy and less attractive than photos of the same people taken after a normal night’s rest ().
Having a long day?
A newly identified chemical can lengthen the biological clocks of zebrafish by more than 10 hours. Dubbed “longdaysin”, it targets three enzymes which act together to alter circadian rhythms. The discovery could aid development of drugs for sleeping disorders and jet lag (PLoS Biology…
