Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.
Officially, only one person has caught bird flu during the current outbreak among dairy cattle, but experts are hearing of others getting sick. The U.S. doesn't have an easy to way to detect cases.
It's taken months of debate on the Hill, but Ukraine finally has the military assistance it's been seeking. After two years of fighting, military experts say the nation still faces a long road ahead.