I loved this series, narrated by Leonard Nimoy from 1976 to 1982. Note the disclaimer in the beginning, including the words “theories and conjecture. ” As many of us shiver this very cold winter, we can think back to some very cold winters in the 1970s when we were warned of a coming Ice Age.
Here’s my post on a dig of Ice Age mammals, which I visited in the mid-1970s. Hey, I’m not above giving my old posts a plug! The Natural Trap.