When generating novel tailor-made proteins, protein engineers routinely apply the principles of 'Darwinian' evolution. However, laboratory evolution of proteins also has the potential to test ...

The nature of the host cell that acquired the mitochondrion (lower right) is fiercely debated among cell evolutionists. The host is generally accepted by most to have an affinity to archaebacteria ...

An international team of archaeologists, paleontologists, evolutionists and geoscientists has analyzed ancient shark fossils from the time of the dinosaurs that were recently unearthed in Mexico.