Finding Mercury is the subject of one of the calls in this segment of Talkback 16.
But first, callers share some comments on the CDC's new mask guidelines.
Talkback 16: Mercury
One caller gave a special thank you to meteorologist John Hickey.
Finding Mercury is the subject of one of the calls in this segment of Talkback 16.
But first, callers share some comments on the CDC's new mask guidelines.