Scientists discover oral sexual encounters in spiders

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 ...

Online matchmaking a hit with Saudi couples

In ultra-conservative Saudi Arabia, where the sexes are strictly segregated, traditional matchmakers face tough competition from blossoming marriage services on online social networks.

Sexual healing? Not likely

(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.

Human-Neanderthal coupling was rare: study

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.