Cryo-electron microscopy is allowing cell biologists to see irreducibly complex molecular machines in three-dimensional glory.
Evidence is growing that organisms share existing genetic information horizontally, not just vertically.
This machine looks like something out of a CAD/CAM project, but it’s found in bacteria.
Did evolutionary theory contribute anything to this study? The authors speculate briefly about “co-evolution” of flowers and their pollinators.
The element phosphorus, on which life heavily depends for its codes and metabolic processes, is a limiting factor for complex beings on habitable planets.