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Now You Can Measure Male Fertility With a Smartphone App
A new device helps men monitor their sperm count from the comfort of their own home
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What Dung Beetles Can Teach Us About Sexual Difference
When it comes to sex appeal, it’s not all in your genes (it’s also in your proteins!)
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Why Do Male Birds Take on Larger Predators? Maybe Just to Impress the Ladies
Some mobbing behavior may be less about survival, and more about sexual selection
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When Is Sex Worth Going the Distance? When You’re a Salamander, Apparently
Asexual amphibians may be less equipped to handle modern threats than their sexual counterparts
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Bare Down There? New Study Suggests You’re More Susceptible to STIs
Your pubic preferences could be linked to your sexual health
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Genetic Sleuthing Clears ‘Patient Zero’ of Blame for U.S. AIDS Epidemic
Scientists debunk the myth of the man once thought to have brought the virus to the states
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Male Widow Spiders Prefer Younger Ladies—So They Don’t Get Eaten
This strategy means they live to mate again, upending assumptions about these arachnids
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A New Choral Work Was Inspired by the Death of Matthew Shepard
“Considering Matthew Shepard” finds hope inside a story of hate
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The Evolutionary Reason Why Women Orgasm
New research suggests the female orgasm is tied to ovulation, not reproduction
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Transgender People Can Now Serve Openly in the U.S. Military
One of the last restrictions on who can serve in the military has been removed
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LGBT People Are the Targets of More Hate Crimes Than Any Other Minority
Hate crimes against LGBT people are far from rare
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This Transgender Archive’s Oldest Artifacts Tell a Story of Courage and Community
The Digital Transgender Archive was born out of two researchers’ frustration with finding materials by and about transgender people
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Gonorrhea Is Developing Antibiotic Resistance
And public health officials are scared of what comes next
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Better HIV Prevention Could Be Leading to Higher Syphilis Rates
Syphilis rates increased by 13 percent between 2012 and 2013
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Teen Pregnancies Have Hit an All-Time Low
But teens still aren’t opting for the most effective forms of birth control
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Lady Wolf Spiders Use Silk to Flirt
Counter to the common wisdom, it’s not just males that do the pursuing
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Tour Paris With the Marquis de Sade as Your Guide
Traces still remain in the City of Love of the famed author and sex icon
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These Sexy Geckos are Lost in Space
These lizards have been accidentally left to fornicate all alone among the stars
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The Cannibal Club: Racism and Rabble-Rousing in Victorian England
These 19th-century gentlemen of good standing let their inner boors loose in secret London backrooms
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