Darwin evolution going backwards? (Introduction)

by George Jelliss , Crewe, Thursday, September 04, 2008, 12:45 (5923 days ago) @ David Turell

The article cited by David Turell is a good example of the way science works. New facts are discovered and old theories have to be revised. - There's an awful lot of interesting research now going on, particularly of course in genetics. You only need to look on Richard Dawkins . net to see something new every week. I could give links here, but it is easier to go to the site and click on the Science menu near the top of the page. - It's surely pretty obvious why some birds lose the power of flight. They arrive in a place where there is an abundance of food and a lack of predators so they don't need to waste energy on flight, and they grow larger until they are too heavy to fly any more.