If organisms resulted from haphazard undirected processes, their design constraints would be few and highly flexible.
Casey Luskin examines a paper which argues that the famous beta-globin pseudogene is functional. Why is this pseudogene famous?
This is by no means an all-or-nothing selection (as the impression is sometimes given). Rather, the alleles are retained.
A modest proposal to teach evolution the way Darwin treated his own theory has “no support” from one of the world’s most powerful scientific organizations.
Richard Lenski has spent decades overseeing the most extensive, most acclaimed laboratory evolution experiment conducted to date.