Sex
Latest about Sex
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.
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.
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.
7 facts about the vagina
By Linda Thrasybule, Ailsa Harvey last updated
Reference Women's vaginas are often misunderstood. Here are the facts.
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.
Honey marketed for 'sexual enhancement' could be dangerous, FDA warns
By Nicoletta Lanese published
The FDA sent warning letters to four companies.
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.
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.
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