Ashley Ahearn

Debris from the tsunami that hit Japan last March is just now starting to show up on the far northwestern shores of the U.S. Some fishermen are worried the floats and other rubble may tangle their nets and affect their livelihood. Ashley Ahearn of the public media collaboration EarthFix headed out to Washington State's Olympic Peninsula to see what's coming ashore.

Scientists aren't sure what's wrong with the orcas in Puget Sound, but they're hot on the trail. A team of researchers is relying on a secret weapon with a killer nose to sniff out the mystery.