Trump Administration’s Definitions of Sex Defy Science
Trump Administration’s Definitions of Sex Defy Science
The government wants to limit a person’s sex to male or female as determined by genitalia at birth and genetics. It’s not so simple, say scientists.
Trump Administration’s Definitions of Sex Defy Science
Trump Administration’s Definitions of Sex Defy Science

The government wants to limit a person’s sex to male or female as determined by genitalia at birth and genetics. It’s not so simple, say scientists.

The government wants to limit a person’s sex to male or female as determined by genitalia at birth and genetics. It’s not so simple, say scientists.

sex
Genetic Risk Factor for Erectile Dysfunction Identified
Genetic Risk Factor for Erectile Dysfunction Identified
Ashley P. Taylor | Oct 9, 2018
Researchers believe the genetic locus affects the regulation of another gene involved in sexual function.
Fruit Fly Geneticist Bruce Baker Dies
Fruit Fly Geneticist Bruce Baker Dies
Diana Kwon | Jul 30, 2018
The Stanford University professor was known for his work on sex determination and courtship in flies.
 Researchers Look to Sex Pheromones to Trap an Invasive Snake
Researchers Look to Sex Pheromones to Trap an Invasive Snake
Steve Graff | Jul 1, 2018
The brown tree snake has wreaked havoc on the island of Guam, but one solution to the problem could lie in the serpent’s own physiology.
Fast-Tracking Sexual Maturation
Fast-Tracking Sexual Maturation
Ruth Williams | Nov 1, 2017
The brains and bodies of young female rats can be accelerated into puberty by the presence of an older male or by stimulation of the genitals.
Sexual Touch Promotes Early Puberty
Sexual Touch Promotes Early Puberty
Ruth Williams | Sep 21, 2017
The brains and bodies of young female rats can be accelerated into puberty by the presence of an older male or by stimulation of the genitals.
Snake Sex Determination Dogma Overturned
Snake Sex Determination Dogma Overturned
Abby Olena | Jul 6, 2017
Researchers find that boas and pythons use an XY sex chromosome system, rather than the previously assumed ZW system found in some other snakes.
Common STD May Have Come from Neanderthals
Common STD May Have Come from Neanderthals
Bob Grant | Oct 19, 2016
Cross-species trysts likely spread human papillomavirus (HPV) to Homo sapiens, according to new research.
Zika Update
Zika Update
Kerry Grens | Aug 17, 2016
More local transmission within the U.S.; babies born with costly birth defects; virus persists in a patient’s semen for six months
Hot Off the Presses
Hot Off the Presses
Bob Grant | Aug 1, 2016
Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention