They are not, per the National Academy of Sciences, a “particularly convincing example for speciation.”
“Darwin’s mechanism is dominated by ‘Poison-Pill’ mutations: positively-selected, loss-of-function mutation.” It “squanders genetic information for short-term gain.”
A study in PNAS has gotten tons of affectionate press, probably because puppies are so darned cute.
Metaxas is hilarious, and Behe has a fine sense of humor himself. They make the science in Professor Behe’s already accessible new book even more accessible.