From Hermann Burchard: This note is a summary of aspects of Siberian geology as far as I have been able to gather relevant facts, occasioned in part by and meant to correct errors in what I heard on a TV program dealing with the Siberian traps [“Earth’s Deadliest Eruption,” Feb 9, History Channel, AETN, affiliated with British Sky Broadcasting, often runs programs from…

Well, maybe. Maybe not. But I do own one of the largest intact Woolly Mammoth tusks found in recent years, and it has starred in a National Geographic episode as a potential relict of the bad times. There are indeed some unusual features to my tusk; odd marks, iron blotches, magnetic areas and such. It is currently under study by Jon Hagstrum when he is not working at USGS. In fact, Jon…