With federal support, Environmental Health Perspectives has long published peer-reviewed studies without fees to readers or scientists.

The Women’s Health Initiative has produced thousands of research papers, altering medical care for patients around the world.

Some children were exposed to lead and investigators found flaking paint inside aging schools. Two federal experts, expected to help guide the response, have lost their jobs.

The victims died on a grueling three-hour walk in scorching heat as they tried to reach the nearest remaining health facility, officials of Save the Children said.