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