Paleo-artist John Gurche's recreations of our ancestors involve both science and art. His works are in the Hall of Human Origins at the Smithsonian’s Natural History Museum in Washington, DC, or in his book, "Shaping Humanity."
The old line "monkey see, monkey do" isn't entirely accurate: chimps and apes in the wild have rarely been observed passing new behaviors from one to the other. But recently, for the first time, a researcher caught on film a group of chimps doing exactly that.
Scientists believe today's birds descended from dinosaurs. Paleontologists dig up new fossils every few months that confirm this theory. Now, there's a new piece of evidence from experiments with a chicken embryo.