The video was widely circulated after it was shared to Twitter by the account Weird Science in 2021, in which the claimed the video showed a nanobot as it “picks up a lazy sperm by the tail and inseminates an egg with it.”
, a publication by the American Chemical Society. The so-called “spermbot” was developed by researchers at the German Institute for Integrative Nanosciences in an effort to find new approaches to addressing infertility.
Micromotors like the spermbot are inspired by their natural counterparts and mimic natural processes with the help of human-powered assistance, like magnetic fields. But despite their promise, the precision of delivery, and biocompatibility, the compatibility of nonorganic material with living tissue, remain challenges in the human body.
Successful capture, as seen in the video, shows the tail being confined inside the inner part of the microhelix, head sticks out at the front end and is loosely bound by a ring that “acts like a noose to prevent the sperm head from slipping back through the helix. Testing in petri dishes was a “promising start” that could one day lead to a treatment for male infertility, but required more research before it could be applied to humans, the researchers concluded.
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