First, the bad news: Sunday is the anniversary of the disastrous white supremacist Unite the Right rally in…
It’s long been thought that tighty-whiteys and other kinds of snug underwear can be bad for men’s semen quality, thanks…
The microscopic processes involved in human fertilization are a difficult thing to convey visually, but a group of…
Something weird is going on with human sperm production. For decades, scientists have warned that sperm counts are…
Lots of species do some wild sex stuff. The purple stone crab is no exception: Females have seminal receptacles, a…
In a breakthrough that almost sounds too good to be true, researchers have found a potential new form of birth control…
A team of German scientists were wondering how to deliver medications into the female reproductive tract and realized,…
It’s one thing to hear about Michael Phelps winning a gold medal. It’s quite another to actually see him do it.
A popular fertility treatment introduced in the early 1990s has been linked to low sperm counts in men born from the…
For the first time ever, scientists have produced live mice without a fertilized egg cell. The potentially…
In preparation for the upcoming Olympics in Brazil, a British long jump champion is planning to freeze his sperm just…
Fruit flies have enormous sperm. This is a well known fact in the scientific community—so well known, in fact, that…
Researchers just found an on-off switch for sperm movement. This has the potential to help men who are infertile, but…
Scientists from China have made history by taking a cell that’s not a sperm cell and then used it to create a live…
What you’re seeing in this video is obviously a sperm cell, except it was made in a lab, not a testicle. It’s designed…
A mouse’s sperm is much, much larger than an elephant’s sperm. A fruit fly produces the longest sperm known to science.…
Sperm usually swim in a 3D shimmy: a spiral wave travels down the whippy flagellum and rotates its head in a circle…
For the past 25 years, men whose sperm can’t manage the arduous swim across a Petri dish have had the option of…
Farming emus means breeding emus. And Irek Malecki of the University of Western Australia thinks that the results could…
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