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A Podcast interviewing Neil Shubin who discovered Tiktaalik one of the transitional forms from fish to land dwelling animals (called tetrapods i.e. four legged animals). The interview begins where there is a discontinuous white line across the graphic representation of the broadcast at the 14min:30sec point in the podcast.
Before that there is the mention that the inner ear was optimized for an underwater environment, and bits of the gill structure was co-opted to fill in the gap between the Cochlear structure to form the ossicles Incus, Malleus, Stapes, or Anvil, Hammer and Stirrup (resting against the Ear Drum) had to be re-purposed for hearing in air..
If you listen to the whole thing, they mention the possible El Nin~o and the previous one in 1998. Indre Viskontas mentions the remarkable snow fall, but I guess either missed or forgot the incredible heat wave with almost 2 weeks of temperatures topping 100 degrees the following summer.