A chemical signal in women’s tears seems to reduce men’s testosterone levels and sexual urges
Category: Scientists R Stoopid
Donald MacLeod reports on the research that suggests sex is the reason for yawning
Evidence that dogs may be able to read the mind of their owners comes today with a study that shows that dogs can “catch” human yawns.
Chimps ‘find yawning contagious even if they are just watching a cartoon character yawn’