Sept. 30, 2022 — The adage that the fastest, strongest sperm is the one that fertilizes the egg is being called into question after new research suggested that teamwork is a more powerful reproductive driver than survival of the fittest.

It is a long, challenging swim through the female reproductive tract that male sperm navigate, and they have a much better chance of reaching the egg if they swim together in clusters, report researchers from North Carolina A&T State University and Cornell University. 

The investigators observed that sperm swim together in groups as they make their way through the thick yet elastic…


By prebo

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