Drinking coffee may help improve mood, study claims

Ten of the world's most protected forests have become net emitters of carbon, as they are degraded by human activity and climate change. The alarming insight is from a study of planet-warming gases emitted from and absorbed by forests in Unesco World Heritage sites.

Endangered California Condors Can Reproduce Asexually, Study Finds

PTSD-Like Symptoms Fluctuate Across The Menstrual Cycle, Study Finds