For decades, scientists have been trying to create artificial blood to alleviate shortages and prevent people from bleeding to death. But those efforts have been repeatedly frustrated by failure.
President Trump said the Washington Commanders should change their name back to their former name, which many Indigenous people consider a slur. He threatened to derail a deal for a new stadium.
The agency is closing the Office of Research and Development, which analyzes dangers posed by hazards including toxic chemicals, climate change, smog, wildfires, water pollution and more.