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

Twitter Tusk

Younger Dryas trigger: Cosmic Impacts or Volcanoes?

Sun et al. and Sweatman trade notes through Twitter Tusk

August 4, 2020

An extensively covered journal article by Sun et al. in Science Advances concludes that volcanoes — not a fragmenting comet — caused the Younger Dryas. Sun provides an invaluable trove of data, but less than 72 hours after the publication their interpretation is suffering.[..

Recant

Pro-science skeptic Dr. Marc Defant now supporting #YDIH based on Powell book

June 8, 2020

Dr. Marc Defant did a great thing this morning by announcing on Twitter and his blog that he had come around to support the Younger Dryas Impact Hypothesis. As I told Marc, my respect for his intellectual integrity soared when I saw his tweet.[..

America’s skeptic changes mind on #ydih

Shermer reads Comet Research Group paper, tweets Hancock

March 16, 2020

Michael Shermer, Founding Publisher of Skeptic Magazine, tweeted Graham Hancock an extraordinary note this week. Shermer announced that based on last week’s blockbuster Abu Hureyra paper he was persuaded to re-think his position on the Younger Dryas Impact Hypothesis. What a welcome development in the long effort to win the hearts and minds of persistent[..

Twitter Tusk

Younger Dryas trigger: Cosmic Impacts or Volcanoes?

Sun et al. and Sweatman trade notes through Twitter Tusk

Recant

Pro-science skeptic Dr. Marc Defant now supporting #YDIH based on Powell book

America’s skeptic changes mind on #ydih

Shermer reads Comet Research Group paper, tweets Hancock

YDIH Bibliography

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