During her first research project in the Sierra Nevada mountains, Katie Moriarty thinks she might have spotted the impossible: a wolverine, and Science Journalist Katherine J. Wu interviews wildlife ecologist Katie Moriarty to find out more about these mystical wolverines.

Ecologist Cylita Guy finds unexpected adventure when she studies bats in the field, and Maija Niemisto is a director of education on the Clearwater, America’s environmental flagship. But when a stranger comes to the side of the ship, it heralds a discovery about her city and herself.

Lauren Silverman finds herself drawing parallels between her relationship and steelhead trout, and during the pandemic, Grant Bowen is torn between his ailing grandmother and his immunocompromised girlfriend.

Jack Walsh exaggerates the severity of his brain tumor to get out of buying a timeshare, and Laura Fukumoto goes above and beyond trying to make a special mushroom dish from her grandmother’s childhood.