Still not convinced? For those who don’t trust the observations of prostitutes or gays and who need something more scientific: “Thus, the human penis shows high species-specificity as an elaborated genital structure.
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In the past few days, the Internet has been filled with commentary on whether the National Science Foundation should have paid for my study on duck gen
Dec 22, 2009 · Patricia Brennan from Yale University is trying to encourage male Muscovy ducks to launch their ballistic penises into test tubes. Normally, the duck keeps its penis inside-out within a sac in its body. When the time for mating arrives, the penis explodes outwards to a fully-erect 20cm, around a
Why DO humans have such large penises? Difference in size between men and great apes may be a way of keeping cool. Video discusses differences in penis and testicle size in humans and apes
Frequently Encountered Criticisms in Evolution vs. Creationism: Revised and Expanded. Compiled by Mark I. Vuletic [send feedback]. Last updated August 26, 1999.. New Scientist’s “Planet Science” Site of the Day, 7 April 1996
Fisherian runaway or runaway selection is a sexual selection mechanism proposed by the mathematical biologist Ronald Fisher in the early 20th century, to account for the evolution of exaggerated male ornamentation by persistent, directional female choice.
Nov 06, 2007 · When I read the tag-line of this article I got shivers up my spine, as I’ve had this theory… Look at the telescoping nature of evolution, it took billions of years for life to emerge as single celled organisms.
Understanding Evolution: History, Theory, Evidence, and Implications. By – March 5, 2006 Updated – May 2, 2006. Index. Introduction; Origin Mythology; Mesopotamian and Mediterranean Origin Belief
Marsupials have the typical characteristics of mammals—e.g., mammary glands, three middle ear bones, and true hair. There are, however, striking differences as well as a number of anatomical features that separate them from Eutherians.