Skip to content

geology

Members Public

Ancient apocalypses are so disappointing

The archaeological and paleoclimate records usually lack the resolution to see how meteorites or volcanoes mattered to our ancestors.

A satellite image of a round lake surrounded by a round ridge with green surrounding
Members Public

The so-called Toba bottleneck simply didn't happen

Prompted by a paper by Chad Yost and coworkers, I look at the persistent myth that humans were an endangered species only 74,000 years ago.

A volcanic eruption with ash cloud rising from caldera
Members Public

Describing the Great Rift Valley

I share some geological and geographical knowledge from the Omo River valley, one part of the African Rift system.

John Hawks in front of a wooded river with badlands in the distance