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Image of the Day
Image of the Day: Motile Swimmers
Chia-Yi Hou | Jun 12, 2019
Scientists track the movement of sperm flagella.
Smartphone Semen Assay
Kerry Grens | Mar 23, 2017
An app-based sperm analyzer screens for signs of male infertility.
Wait to Conceive After Zika Infection: CDC
Kerry Grens | Mar 29, 2016
The US Centers for Disease Control and Prevention issues a series of recommendations to limit the pregnancy-related risks of the mosquito-borne virus.
Bee Semen Can Protect Queens from an STD
Kate Yandell | Jan 22, 2016
Honeybee seminal fluid contains two different components that fight
Rina Shaikh-Lesko | Jun 30, 2014
Scientists report for the first time that a snail’s seminal fluid proteins can suppress the mating success of the male side of its hermaphroditic partner.
Ovulation Induced by a Nerve Growth Factor
Sabrina Richards | Aug 20, 2012
Researchers identify a nerve growth factor in semen that stimulates ovulation in certain mammals, and which could shed light on human infertility.
Semen Protein Boosts HIV Transmission
Hannah Waters | Dec 14, 2011
Researchers identify a protein in semen that enhances the transmission of HIV in culture, but whether it increases infectivity in humans is not yet known.