Wildebeest carcasses, casualties of the world’s largest overland animal migration, pile up annually on the banks of the Mara River in Africa and play a crucial role in vibrant ecosystem of the Serengeti plains, a new Yale-led study has found.
Genes that aid in reproductive success also make people more prone to heart attacks, say scientists — a finding that will surprise few parents. Authors from several schools, including Yale, say their genomic analysis suggests natural selection has...