Sex : Science World Report

Sep 06, 2013 09:48 AM EDT

HIV-Infected Man from Missouri Exposes Over 300 Partners to the Virus

An HIV (human immunodeficiency virus)positive man, David Lee Mangum, 37, from Dexter, Missouri, is believed to have exposed more than 300 sexual partners to the virus. This was revealed after David Lee Mangum, 37, was arrested on the complaint of a partner who tested positive after being with him.

Aug 01, 2013 10:12 AM EDT

Sex After Giving Birth: Both Men and Women Experience Highs and Lows in Sexual Desire

A recent study shows that both men and women who are in committed relationships with women who have just given birth will experience high and low sexual desire upon the arrival of a new child.

Jul 17, 2013 10:46 PM EDT

Big Bang Theory: How Did Dinosaurs Have Sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long and weighed up to 80 tonnes. So did the earth really shake for them when they...

Apr 29, 2013 09:41 PM EDT

UK Mother Forces Teenage Girl to Get Pregnant Using Donor Sperm

A 14-year-old girl was forced to become pregnant by her adoptive mother in Britain as she she desired to have more children but couldn't have them herself or adopt, so instead forced her daughter to inseminate herself with donor sperm, according to reports.

Mar 26, 2013 10:29 PM EDT

Organism with Seven Sexes? Scientist Discover Gender Selection Process

A single-celled organism called the Tetrahymena thermophila has long been known to have up to seven sexes of them, but now scientists have discovered how each cell's sex, or mating type, is determined, according to a new study.

Dec 27, 2012 11:29 AM EST

Sex matters in virtual worlds, females more naked, says avatar study

Virtually more naked: Female avatars expose substantially more skin than males in the virtual world of Second Life, according to research just published in the open access journal PLOS ONE by Matthieu Guitton and colleagues from Laval University, Canada.