Cory Suski, professor of natural resources and environmental sciences at the University of Illinois at Urbana-Champaign, joins John to talk about co-authoring a new study that shows how pollution is ...

No one saw a Mekong giant salmon carp for 15 years, but then the species was spotted in areas of Cambodia that suggest it may be found in more locations. By Rachel Nuwer The Mekong giant salmon ...