What goes into getting a flower to develop on a stem is mind-boggling, reports a Darwin-free paper.
A millimeter-sized beetle flies efficiently with feathery wings and a beat mode not seen before. Did it evolve by natural selection?
Scientists are only humans and many of them see what they want to see. Fossils often leave a lot of room for wild imagination and wishful thinking.
We have tended to assume that intelligence rose with the development of a spinal cord and brain (vertebrates), and warmbloodedness (mammals and birds).
To complete the argument for prior fitness of the elements for our Privileged Species, we must deal with the availability of another essential element.