Why Do We Know So Little About Sperm?

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Sperm is ejaculated into the vagina, close to the servix. Then sperm go on their merry way through the servix and through the woman's body. So yes, it's possible that sperm counts are declining. It's even possible that we should be concerned. But before we declare sort of an official sperm a get in, we just need a much better understanding of sperm. More on that after the break.

In 2017, researchers published an explosive finding: Sperm counts may be declining in some countries around the world. Media outlets began worrying about a potential Spermageddon, but other researchers have pumped the brakes. Because scientists know surprisingly little about sperm.

Also, Noam created a list on the Hark podcast app where he talked about some of his favorite bitesize moments of the show so far. And it’s easy to share with friends! https://bit.ly/3tib6pd

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