Posted in September 2012

Sperm are Cool #1: Naked Mole Rats

Sperm are Cool #1: Naked Mole Rats

Sperm are pretty cool. Some are tiny, some are huge. Some have hooks, some crawl,¬†and some can’t actually fertilize an egg. But all of them are awesome products of evolution. That’s why I want to start a collection of posts dedicated to quirky sperm. For the first post, a relatively recent paper (about a year … Continue reading

Sperm tracked in 3D

Sperm tracked in 3D

Despite referring to sperm as “sperms”, this paper showing 3D tracking of human sperm swimming paths is pretty cool. Actually, I take that back. Calling them sperms definitely adds to the awesomeness. I won’t pretend to fully understand the physics behind their method, but it’s obvious that this imaging method will be important for many … Continue reading

Male contraception: a new advance

Male contraception: a new advance

Good news, guys: one day soon you may not have to worry about whether your girlfriend remembered to take her pill. The bad news? You might actually have to be the one who remembers to take it. A group of researchers at Baylor College of Medicine in Houston, the Dana-Farber Cancer Institute in Boston, and … Continue reading

Glucose ramps up sperm speed

Glucose ramps up sperm speed

The sperm of mice and men are streamlined cells, designed to move fast and deliver a payload. To maintain their Phelps-like speed through the long haul to the egg, sperm cells need energy. But even though sperm have all the equipment they need to turn fuel into energy, they don’t carry any fuel with them. … Continue reading