Injury is the leading cause of death for people under the age of 45. But much of the staff at the CDC responsible for studying how to track and prevent injuries were cut during the recent firings.

A toddler wandered away from home in Arizona and many feared the worst after seeing mountain lions during their search. A ranch dog found him and guided him to safety.

A big focus of the Trump administration is to shore up U.S. dominance in cutting edge technology like semiconductor chips and AI. But it's slashing employees at the agency that works on these issues.