The Famous People Who Have Collected Ancient Coins
[ad_1] QUESTION: Marty, I heard that JP Morgan had a huge ancient coin collection of Greek and Roman coins. Have any of his coins ever come up for sale? DX ANSWER: Oh yes. Not often. Here is a gold aureus of Antoninus Pius (138-161AD). You can typically buy one for around $4,000. This one […]
When Greenland Was Green: Ancient Soil From Beneath a Mile of Ice Offers Warnings for the Future
[ad_1] By Paul Bierman and Tammy Rittenour. Bierman is a Fellow of the Gund Institute for Environment, Professor of Natural Resources and Environmental Science, University of Vermont. Rittenour is Professor of Geosciences and Director of Luminescence Lab, Utah State University. Originally published at The Conversation. About 400,000 years ago, large parts of Greenland were ice-free. […]