One of the world's largest and most elusive predatory sharks, the sixgill, suddenly appears in Seattle's waters. These creatures typically dwell in darkness several thousands of feet beneath the surface. Little is known about them. What would make them appear in the shallows of Puget Sound? And what does it say about our oceans? Researchers are hunting for answers.
Back in 2006, bats across the Northeast started dying by the millions. The culprit? A mysterious disease called white-nose syndrome that for years, stayed largely confined to the eastern U.S. But in 2016, white-nose suddenly and mysteriously appeared in the Northwest. And now researchers are racing to learn what bats here are in for.
