The Mystery of Elderly Animal Matriarchs
Both women and orcas experience menopause. A new study reveals one reason why these matriarchs may prevail, despite their inability to reproduce: wisdom.
Will the King of the Rock Fall?
The fathers of ecology lavished attention upon it. The scientist who coined “keystone species” chose it as the prime example. What will happen to the Pacific Coast if its iconic ochre sea star wastes away?