Featured by Julia Wallace
HIV Resistance Through Oral Sex?
A new study suggests repeated exposure can help produce resistant antibodies
Crack, Rats, and T Cells, Oh My!
Rats whose DNA changes with grooming, fetuses less damaged by cocaine than tobacco, and more in this week's round up
Return of the Bodacious ‘Bots
Our Sex Files columnist details how sci-fi writers, artists and engineers represent women. Final verdict? "I, for one, welcome our new fembot overlords!"
Of Sex and Sleep
The columnist tackles that age-old question: Who's more likely to need a postcoital snooze?
Foreskin for Clear Skin?
A new dermatological treatment pulls the cells from newborns' foreskins and injects them, Botox-style, into aging faces
Discovery of a “Transsexual Gene” Raises More Questions Than Answers
New research suggests transsexualism is indeed a genetic trait. But how conclusive is the study?
A Cure for AIDS
While treating a patient for leukemia, doctors inadvertently cured his case of AIDS
Small World, Smaller Creatures
In the microscope-aided photography competition, these embryos stand out
Breaking Up is Hard to Do (Especially When You’re a Vole)
Scientists discover that breakups can lead to neurochemistry changes by dashing voles' romantic relationships
This Week In Sex
Plenty of new developments since our columnist last weighed in