Sexual reproduction is part of the very definition of what it means to be an animal and as you'll see life has found a variety of methods to pass down genetic information. We explore the differences between sex and gender, and look at sex determination ...
In the three years since Sex, Lies, and Butterflies was completed, science has continued to investigate the origin of butterflies. With new technologies for probing the deep past, new answers are emerging. Dr. Akito Kawahara of the Florida Museum of Natural History and a contributor ...
