For 150 years, paleontologists assumed that the first vertebrates to leave the sea for land evolved a tadpole phase, similar to modern frogs. Immaculately-preserved fossils disprove that, scientists say.

The dismantling of the United States Agency for International Development (USAID) is associated with measurable increases in Africa, especially in areas most dependent on the agency’s support.

At least 24 chimpanzees have been killed in a war that has split the Ngogo group of wild chimpanzees in two, turning former kin into enemies.