[skedaddle]

Do you have an opinion on the Laschamp event? The Wikipedia article for the says the evidence for these ideas is weak in that case.

https://en.wikipedia.org/wiki/Laschamp_event

> This loss of the geomagnetic shield is claimed to have contributed to the extinction of Australian megafauna, the extinction of the Neanderthals and the appearance of cave art. However, the lack of corroborating evidence of a causal link between the Laschamp event and population bottlenecks of many megafauna species, and the relatively moderate radio-isotopic changes during the event, have cast significant doubt on the real impact of the Laschamp event on global environmental changes.