(PhysOrg.com) -- A new study shows the production of sperm is more biologically taxing than previously thought, and expending energy on it has significant health implications.
Plants & Animals
Jan 30, 2012
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Scientists have shown that modern humans have some traces of genes from Neanderthals, but a study out Monday suggests that any breeding between the two was most likely a rare event.
Archaeology
Sep 12, 2011
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2
Researchers from Slovenia have discovered oral sexual encounters in a spider, and have published their findings on April 29, 2016 in the journal Scientific Reports. Spiders are known for their unusual sexual behaviors, notably ...
Plants & Animals
Apr 29, 2016
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222
After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report on April 25 in the journal Current Biology. Using a mechanism that hadn't been described ...
Plants & Animals
Apr 25, 2022
0
408
A male Springbok praying mantis looking for a hook up doesn't have to worry about a female stealing his heart away.
Plants & Animals
Jan 20, 2021
2
392
If you're in your 20s and 30s, you probably watch pornography. Millennials and gen Z are watching more pornography than any other age group and are also more likely than any other demographic to experiment with AI pornography.
Social Sciences
Mar 16, 2024
3
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In ultra-conservative Saudi Arabia, where the sexes are strictly segregated, traditional matchmakers face tough competition from blossoming marriage services on online social networks.
Social Sciences
Feb 13, 2013
1
0
A male mouse identifies the sex of an unfamiliar mouse because of hard-wired brain physiology, not previous experience, Stanford University School of Medicine investigators have found.
Plants & Animals
Jan 31, 2019
2
103
As Islamophobia spread in the United States after 9/11, so did the popularity of a subgenre of pornography that shows headscarf-wearing women engaging in sex. The videos are available on streaming platforms, where they draw ...
Social Sciences
Apr 5, 2023
0
1
Imagine Sarah and John have been in a monogamous relationship for five years. Although they love each other, Sarah, who is bisexual, has recently started feeling an attraction to her coworker, Andrea. This has led to several ...
Social Sciences
Apr 25, 2023
0
1
