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Colorado fossils, virtual safari at Super Science Saturday
Provocations #0
Provocations #100: Ballooning on Venus
Provocations #101: Astrology revisted
Provocations #102: Extinctions
Provocations #103: Chernobyl disaster afterthoughts
Provocations #104: More on Chernobyl
Provocations #105: The Great Lakes hurricane of 1913
Provocations #106: 115 years of acid rain records
Provocations #107: Gravitational lenses
Provocations #108: Disagreements over cooperation in fusion research
Provocations #109: Future boon from food and fiber of the past
Provocations #10: US/USSR bi-national research zone in the Bering Strait
Provocations #110: UFOs and the Condon Report
Provocations #111: The Ruiz volcano disaster
Provocations #112: Risk
Provocations #113: Depleting the ozone layer
Provocations #114: Oscillation in the Sun and stars
Provocations #115: The celestial illusion
Provocations #116: Through the SETI looking glass

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