S47 E1: Polar Extremes

S47 E2: Dog Tales

S47 E3: Cat Tales

S47 E4: Mysteries of Sleep

S47 E5: Cuba's Cancer Hope

S47 E6: The Truth About Fat

S47 E7: Decoding COVID-19

S47 E8: Eagle Power

S47 E9: Human Nature / Gene-Editing Reality Check

S47 E10: Secret Mind of Slime

S47 E11: A to Z: The First Alphabet

S47 E12: A to Z: How Writing Changed the World

S47 E13: Nature's Fear Factor

S47 E14: Touching the Asteroid

S47 E15: Can We Cool the Planet?

S47 E16: Saving Notre Dame