Image of the Day: Stink Flirting
Image of the Day: Stink Flirting
Male lemurs secrete aldehydes from their wrist glands that may make them more attractive to females during the breeding season.
Image of the Day: Stink Flirting
Image of the Day: Stink Flirting

Male lemurs secrete aldehydes from their wrist glands that may make them more attractive to females during the breeding season.

Male lemurs secrete aldehydes from their wrist glands that may make them more attractive to females during the breeding season.

testosterone
Infographic: How to Catch Cheating Athletes
Infographic: How to Catch Cheating Athletes
Anna Azvolinsky | Sep 1, 2019
Anti-doping agencies are tracking levels of various molecules in athletes’ blood and urine over time to increase their ability to detect drug misuse.
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Hormonal Male Contraceptive to Enter Clinical Trial
Hormonal Male Contraceptive to Enter Clinical Trial
Jef Akst | Dec 21, 2017
The gel, which men rub on their upper bodies daily, delivers synthetic progestin to block the testes from producing normal levels of sperm.
Book Excerpt from <em>Testosterone Rex</em>
Book Excerpt from Testosterone Rex
Cordelia Fine | Dec 31, 2016
In Chapter 6, “The Hormonal Essence of the T-Rex?” author Cordelia Fine considers the biological dogma that testes, and the powerful hormones they exude, are the root of all sexual inequality.
Capsule Reviews
Capsule Reviews
Bob Grant | Jun 30, 2015
Stoned, Anxious, The Deeper Genome, and Testosterone
Autism-Hormone Link Found
Autism-Hormone Link Found
Bob Grant | Jun 4, 2014
A study documents boys with autism who were exposed to elevated levels of testosterone, cortisol, and other hormones in utero.
A Hair-Raising Solution?
A Hair-Raising Solution?
Dan Cossins | Aug 31, 2013
In the long-fought battle against baldness, researchers are finally identifying molecular pathways that can be manipulated to generate new hair follicles.
Book Excerpt from The Hour Between Dog and Wolf
John Coates | Sep 5, 2012
In his latest book, author John Coates describes the tension and exultation of the trading floor from a biological perspective.
Sex, Deconstructed
Megan Scudellari | Feb 2, 2012
Hormones in the brain control sex-specific behaviors by activating individual genetic programs.