The competing extinction theories battle it out


Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 
The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit.

 
The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs." --San Antonio Express-News

New evidence bolsters the asteroid impact theory of dinosaur extinction 65 million years ago.

I am sure you all thought the cause of the dinosaurs’ extinction — an asteroid impact on the Yucatan peninsula — was settled science. Wrong!

Palaeontologists and planetary scientists have been arguing about it for two decades, with the palaeontologists favoring a more gradual extinction process caused by multiple environmental factors (sea level rise, volcanic activity, and asteroid impact) and the planetary scientists favoring the asteroid impact as the sole cause. This story above provides a small data point favoring the planetary scientists, but hardly proves anything.

One of the reasons the asteroid impact theory dominates the public perception is that the media loves it. Who can resist such a story? Unfortunately, the people who study the fossils, palaeontologists, have remained very skeptical, as the fossil evidence hasn’t confirmed this theory as well as it should.

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