Latest Jeanne Altmann Stories

Being at the very top of a social hierarchy may be more costly than previously thought, according to a new study of wild baboons led by a Princeton University ecologist.A new study, "Life at the Top: Rank and Stress in Wild Male Baboons," published in the July 15 issue of the journal Science found that in wild baboon populations, the highest-ranking, or alpha, males have higher stress-hormone levels than the highly ranked males below them, known as beta males -- even during periods...