Some people don’t like to think about how absurd sperm and semen can be. From zero-gravity experiments to drug delivery robots, cryptocurrency to culinary cookbooks, here are ten offbeat things you might not know about sperm and semen. In 2020, researchers made headlines after discovering 100-million-year-old sperm, the oldest known sperm in the world. Trak, for example, offers services for sperm testing, sperm freezing, and perhaps strangest of all, sperm training. A shallow tract means there is less need for the male sex cells to spread out to reach the egg.

Source: The Nation February 08, 2022 09:19 UTC