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histological image shows a cross section of clitoral tissue, stained blue; bundles of nerve fibers look like clusters of blue dots

In a 1st, scientists counted all 10,000 nerve fibers in the human clitoris

By Nicoletta Lanese last updated

The clitoris contains thousands more touch-detecting nerve fibers than once thought.

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couple-bed-upset-11082402

Men's and Women's Personalities: Worlds Apart, or Not So Different?

By Rachael Rettner last updated

Men and women's personalities are worlds apart, a new study says, but other researchers say it ain't so.

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Couple Bed Upset

Men's and Women's Personalities: World's Apart, or Not So Different?

By Rachael Rettner last updated

Men and women's personalities are worlds apart, a new study says, but other researchers say it ain't so.

Sex
Cuddling releases oxytocin

Oxytocin: Facts about the 'cuddle hormone'

By Stephanie Pappas, Ailsa Harvey last updated

Reference Oxytocin is a hormone that plays a large role in social interactions and social bonding.

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Vagina diagram

7 facts about the vagina

By Linda Thrasybule, Ailsa Harvey last updated

Reference Women's vaginas are often misunderstood. Here are the facts.

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A fetus in utero from Gray's Anatomy.

Fetal Testosterone May Program Boys' Behavior

By Live Science Staff last updated

Testosterone levels in the womb might program certain behaviors later in life, new research shows.

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honey dripper placed in a small pool of honey on a blank background

Honey marketed for 'sexual enhancement' could be dangerous, FDA warns

By Nicoletta Lanese published

The FDA sent warning letters to four companies.

Sex
Waving a transgender flag during a gay pride march.

What does transgender mean?

By Alina Bradford, Timothy Williamson published

Reference The term transgender describes people whose gender identity differs from the sex to which they were assigned at birth.

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Conceptual image of sperm

Why do some animals have sperm 20 times the length of their bodies?

By Cameron Duke published

Sperm come in tons of sizes, and it all has to do with how they have to find the egg.

Sex
A teacher points to a diagram of female reproductive organs projected on a screen in a classroom in a scene from Human Growth, an education film on sex education shown to students in Oregon junior high schools beginning in 1948.

Porn is the top source of 'sex education' for young adults

By Stephanie Pappas published

Pornography was listed as the top source of information about sex for 18- to 24-year-olds, a troubling ranking given that pornography is not meant as sex education.

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