Should we encourage the elderly to have more sex in nursing homes?
Does the HPV vaccine promote promiscuity?
Why are there only two sexes?
Can donated sperm be infected with mad cow disease?
The best “Human Nature” sex stories of 2007.
Niklaus Largier’s In Praise of the Whip.
What Dan Savage and Dr. Ruth don’t understand about sex.
Fifty years after Alfred Kinsey, what more do we know?
A history of the buttocks.