How strong is the evidence for Darwinian evolution? What are the limits of the Darwinian mechanism?
Newly recognized large transposable elements in fungi dubbed Starships may not be selfish after all.
The video draws arrows from one species of fossil horses to the next and says “there is a constant change and we can see it directly through the fossil record.”
What enables a long chain of linked amino acids to perform highly specific molecular functions with machine-like precision?
Perhaps the biggest evolutionary development in the course of the experiment involved some bacteria beginning to feed on citric acid.