Getting the Lead Out—with Sponges. That story and more on H2O Radio’s weekly news report about water.

Headlines:

Wildfires continue to burn in Alberta, Canada, as a “heat dome” develops over the region.

A newly developed sponge can pull lead and other toxic metals out of water.

How hammerhead sharks “hold their breath” on deep dives.

Scientists discover why you may be the unlucky one mosquitoes devour at a barbecue.