Brexit, Doctor Trust, Ghost Shark

Brexit is finally final—now what? And why it's so rare these days for Americans to have one family doctor they see regularly and trust enough to take their guidance on things like vaccines. Then, a drone that uses an antenna from a real moth to smell. Also, why you should be writing down your experiences with the pandemic, why scientists are rushing to find new species of ghost sharks, and ParentPreview.com's best and worst family movies this year.