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  • July 23 2020

    The Challenge In public arguments about controversial topics, one often hears the somewhat pugnaciously offered challenge: "Do you have a reference for that?" Meaning: Do you have a peer-reviewed confirmation of what you are saying, published in a reputable scientific journal? Providing such a confi...

  • May 10 2020

    Major damage caused by an earthquake. Credit: Sunyu Kim on Unsplash - unsplash.com/@mauveine   For major earthquakes, the satellite predictions work. They give us enough warning, for example, to be able to stop a surgery safely before the shaking starts. A few seconds are critical in some situation...