Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

Microplastics have been found in human semen and testes, but do they cause infertility? Explore the latest evidence on sperm ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

Males of the species Drosophila melanogaster pack thousands of almost two-millimeter-long sperm cells into significantly smaller storage organs. A new study reveals how they move in an orderly manner ...

Why do so many men only think about fertility when there is a problem? Perhaps the answer lies in our societal scripts.

A new AI system is being trained using videos of humans performing real-life tasks. The technology observes and analyzes demonstrations to learn how activities are completed. Researchers say this ...

Forbes contributors publish independent expert analyses and insights. Founder & Advisor on Emerging Tech. Covering VC. This voice experience is generated by AI. Learn more. This voice experience is ...

5 Program in Health Services and Systems Research and Centre for Quantitative Medicine, Duke-NUS Medical School, Singapore Introduction Despite the global prevalence of low fertility rates, male ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

Natural selection has been playing a bigger role in changing modern human DNA than previously thought, according to a new study. geralt via Wikimedia Commons under CC0 Many people are familiar with ...

Annalisa (Nalis) Merelli is focused on boys’ and men’s health: She looks into reproductive health, trending treatments, screening approaches, mental health, and everything in between. Few things will ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...