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science

The Gay Brain: What makes us LGBT?

The science behind sexual orientation began in part with a 1991 study by Dr. Simon LeVay, then a neurobiologist at the Salk Institute for Biological Studies in La Jolla, California. LeVay measured the size of a group of cells called the nucleus within the anterior hypothalamus, a region of the brain previously linked to the regulation of sexual behavior in other animals. ...

The biology of being gay

In general, you have about a five percent chance of being born gay. But if you’re one half of a pair of fraternal twins (sharing the womb but only half your DNA — the same amount as any other biological sibling), you’ve got about a 25 percent chance of being faaaabulous! ...