Unlike humans, hummingbirds are equally good at extracting energy from fructose as from glucose. They are marvels of evolutionary engineering. That makes perfect evolutionary sense.
Scientists presume to speak with confidence about the origin of the universe and billions of years, but have been clueless about some everyday things close to home in the present.
On the 100th anniversary of his death, Alfred Russell Wallace is getting a smattering of attention, but not nearly what Darwin gets every day. Perhaps it's because the co-discoverer of natural selection believed in intelligent design.