US Health and Human Services secretary Robert F. Kennedy Jr. directs the Food and Drug Administration to explore revamping ...

The spheres fall apart and release their cargo in acidic environments, such as those found inside tumors (Macromol. Rapid ...

That sweeping rule is aimed at reducing the frequency and severity of accidents at nearly 11,740 US chemical plants, warehouses, storage sites, and other facilities. According to the EPA, about 131 ...

Researchers have received atypical questions from the US Centers for Disease Control and Prevention and other agencies ...