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

August 2010

Leroy Ellenberger Dave, As you probably know, the Sep/Oct Skeptical Inquirer (whose cover features Martin Gardner) contains letters by Clark Chapman and Paul Hilfinger, reacting to your May/Jun article on the claimed impact at the Younger Dryas boundary (also with a letter from Mark Bosslough commenting on his sidebar about scientists changing their minds,…
Impact Hypothesis Loses Its Sparkle: Shock-Synthesized Diamonds Said to Prove Catastrophic Impact Killed Off N. American Megafauna Can’t Be Found enlarge Tyrone Daulton is pictured with the transmission electron microscrope he used to search in vain for shock-synthesized nanodiamonds, evidence that a extraterrestrial object such as a meteorite killed off North American megafauna. (Credit:…
I haven’t blogged in a few days while investigating the odd features of the Egyptian-Libyan Sahara.  I first started poking around this subject following the announcement of the fresh and appetizing Kamil Crater in the central-western Egyptian Sahara.  This got me to looking into the subject of other purported craters in the Sahara.  I had no idea that…
 
Subscribe for Updates
Latest discussions