Search / 18 posts tagged sexual selection

We learn from ScienceDaily (Sep. 11, 2008) that female spiders do not necessarily eat their mates. Now, before we move on, let us pause to think of all the just-so Darwinian sexual selection stories we have heard that explain why they do. (They add to their energy stores, they prevent the male from mating again, they ...

Is sex all that it is cracked up to be? That's the first question that entered my head after reading the latest headlines. It's quite obvious that abstinence education isn't slowing –not the teenage pregnancy rate, but the rate of teenagers having sex, possibly before they're ready.

An animal’s ability to survive often depends on how well it can avoid predators.  Many species of fish, birds, and mammals have evolved ingenious methods of staying hidden from predators by blending into the background in one form or another.

Sexual Selection is the umbrella term for all of those natural forces that influence and shape animal sexual and reproductive habits and outcomes. It is a sub-set of natural selection that deals with one and only theme – SEX.

I'm back from vacation, which included a closeup look at this research submarine with Q&A by an expert technician, and seeing the family of our next president in a beach park. But lots of interesting work accumulated while I was gone, so my comments on this week's paper will be brief.

An Interview with Ryan a.k.a. DesireLines 12. July 2008Featured Artisan of the MonthKeith7 comments So, DesireLines… may I call you DL? Hahaha…well, if you insist- though you can just call me Ryan if you want.

I have performed the Heimlich Maneuver on another person in a non … I have performed the Heimlich Maneuver on another person in a non …Wyscan the Internet Bull made this claim. Chiefs' Gonzalez saves man from choking to death"Tony came up behind me and gave me the Heimlich maneuver. Thank God he ...

Richard Dawkins is the bestselling author of The Selfish Gene and The God Delusion. He’s also a pre-eminent scientist, the first holder of the Charles Simonyi Chair of the Public Understanding of Science at Oxford, and is a fellow of New College, Oxford.

A new paper in the journal Antiquity interprets the remains of 34 found buried in the village of Talheim, in south-west of Germany as evidence that Neolithic men fought to secure women. The paper is titled, “Isotopic signatures and hereditary traits: snapshot of a Neolithic community in Germany.” The remains were excavated in the 1980s and dated by carbon-14 to be 7,000 years old.