Recent Articles
The priest’s half a billion year old bathtub: A sand volcano in Skåne, Sweden
Half a billion years ago, in the early Cambrian, some water, trapped in a sand bottom in a tropical sea, decided it wanted to get out. The water pushed its […]
The Cambrian Explosion, part 4: Oxygen and hard parts
After the Ediacaran and the small shellies; in the Cambrian, oxygen in the sea finally reached a level where gilled animals could breathe efficiently and grow big. This oxygen was […]
The Cambrian Explosion, part 3: Small shellies and small skeletons
The first 20-million years of the Cambrian appears to be an empty void between the Ediacarans from the previous post and the well known Cambrians. But pull out the looking […]