On the Air: December 9, 2018

When the glaciers retreated from around present-day Seattle at the end of the last ice age, they left some big holes in the ground. Today, those holes form Puget Sound -- a network of basins and channels in northwestern Washington. The sound is home to an amazing variety of marine life. But the numbers have been dwindling.

In Print: December 1, 2018

When two unrelated species help each other, their relationship is symbiotic, or mutually beneficial. When one species feeds off another, the feeder is a parasite. But some species find a different way to take advantage of another without consent: kidnapping.