geology
How many bathrooms have Neanderthals in the tile?
A Reddit poster finds an ancient jaw in his parents' new travertine. It may be more common than most people imagine.
Ancient apocalypses and limits of evidence
The archaeological and paleoclimate records usually lack the resolution to see how meteorites or volcanoes mattered to our ancestors.
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.
Describing the Great Rift Valley
I share some geological and geographical knowledge from the Omo River valley, one part of the African Rift system.
