video: Highly motile sperm pass the barrier while the slower ones stay behind. This material relates to a paper that appeared in the Feb. 13, 2019, issue of Science Advances, published by AAAS. The paper, by M. Zaferani at Cornell University in Ithaca, NY, and colleagues was titled, "Strictures of a microchannel impose fierce competition to select for highly motile sperm." view more
Credit: Zaferani <em>et al., Sci. Adv</em>. 2019;5: eaav2111