
New Theory about Cave Painting and Neanderthal Extinction
Feb. 19th Science: “A global environmental crisis 42,000 years ago” Do terrestrial geomagnetic field reversals have an effect on Earth’s climate? Cooper et al. created a precisely dated radiocarbon record around the time of the Laschamps geomagnetic reversal about 41,000 years ago from the rings of New Zealand swamp kauri trees. This record reveals a …