While I packed for my July/August speaking tour of Queensland, Australia, science writer Stephen Buranyi dropped an 11-page bombshell in London.
The element phosphorus, on which life heavily depends for its codes and metabolic processes, is a limiting factor for complex beings on habitable planets.
Paleontology sometimes seems like a kind of imaginative Rorschach test with the flattened fauna of roadkill.
Any of us can point to certain pivotal events in our past that need not have occurred, but did.
Sponges are outliers in biology’s big bang, the Cambrian explosion. Their embryos appear in Precambrian strata, leading some to consider them primitive.