Why yawning is contagious in bonobos
Wednesday, November 14, 2012 - 18:31
in Biology & Nature
Being socially close to another bonobo is more likely to make bonobo apes yawn in response to the other's yawns, according to research published November 14 in the open access journal PLOS ONE by Elisabetta Palagi and Elisa Demuru from the University of Pisa, Italy.