Tag: Paleozoic
Fossil Friday: Rhenocystis and the Controversial Calcichordate Hypothesis
It looks a bit like a tadpole with body and tail, and this indeed points towards one of the great scientific controversies of the 20th century.
Is There Enough Phosphorus for Us?
The element phosphorus, on which life heavily depends for its codes and metabolic processes, is a limiting factor for complex beings on habitable planets.
Extinct Four-Eyed Monitor Lizard Busts Myth of a Congruent Nested Hierarchy
Obviously, evolutionary “laws” are quite malleable and have to give way when they become too cumbersome.