‘Spermbots’ are a bionic suit for your sperm

One of the main causes of infertility in men is low sperm motility. That is to say, the sperm are present and alive, but they have the swimming prowess of a toddler that’s afraid to lose its water wings. In short, they just aren’t fast enough to reach the egg. It’s hard to fault them, I can’t get to the front door fast enough for the FedEx guy not to leave my package in the bushes these days. But now, researchers in Germany have found a way to use tiny robots to help sperm swim more quickly and efficiently. A video…

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