LONDON — Since in many species, sperm is males’ only contribution to reproduction, biologists have long puzzled about why evolutionary selection, known for its ruthless efficiency, allows them to ...
MHR publishes articles on the basic science of human reproductive physiology and pathology, endocrinology, andrology, gonadal function, gametogenesis, fertilization, embryo development, implantation, ...
The baculum, also called the os penis or penis bone, is a puzzling thing. It sits in the tip of the organ, not connected to any larger skeletal structure. Your pet cat has one if it is a he, as does ...
University of Cambridge. "Human reproduction likely to be more efficient than previously thought." ScienceDaily. ScienceDaily, 13 June 2017. <www.sciencedaily.com / releases / 2017 / 06 / 170613101932 ...
Scientists are working to create human eggs in a laboratory dish, but the process is proving to be more challenging than ...
SpaceBorn United wants to conduct an IVF experiment in Earth’s orbit to pave the way for long-term space missions. Egbert Edelbroek was acting as a sperm donor when he first wondered whether it’s ...
Some 40,000 years ago, the world lost a species of ancient human: the Neanderthals. Their extinction happened not too long after Homo sapiens is thought to have arrived in Europe — the Neanderthals’ ...
‘Tis the season to be frisky. According to a new study this week in Scientific Reports, Christmas in the US often sees a spike in Google searches for sexy time topics and a surge in Tweets dripping ...
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