Exploring abrupt climate change induced by comets and asteroids during human history

February 14, 2013

Restored from the library fire 1/11/20
  Update: As published in PNAS in July, 2013  “The [Younger Dryas Boundary] theory has reached zombie status,” said Professor Andrew Scott from the Department of Earth Sciences at Royal Holloway. “Whenever we are able to show flaws and think it is dead [!], it reappears with new, equally unsatisfactory, arguments. [Sniff!] – “January 30,…
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