Your Toothbrush Is a Laboratory. That story and more on H2O Radio’s weekly news report.

Headlines:

Despite devastating wildfires and hurricanes, people are moving to areas prone to climate disasters.

A new national marine sanctuary has been designated off the California coast—and is the first nominated by a tribe.

It’s been dubbed a “floating megabomb,” and some are speculating it’s a Trojan horse.

The next breakout antibiotic might be a virus living on your toothbrush.