Video of a new mathematical model that predicts that mammalian sperm cells have two distinct swimming modes. This prediction opens new questions about potential connections between sperm cells’ motor ...

For the first time, researchers have unraveled the structure of a protein that enables sperm to swim. The protein sits in the cell membrane of sperm and helps transport positively charged sodium and ...

Sperm can modulate their energetics by regulating their flagellar waveform -- how the sperm oscillate their tails -- in order to adapt to varying fluid environments, potentially optimizing their ...

New research shows sperm generate corkscrew-like fluid vortices that spin in sync with their tails, providing an unexpected boost. Reading time 2 minutes When we learn about “the birds and the bees,” ...

Sperm motility refers to the ability of sperm to move or "swim." It is one of the factors tested in a semen analysis. Learn why it's important for fertility. Motility refers to the ability of an ...

An Orbital Sciences Corporation Antares rocket is seen on launch Pad-0A at NASA's Wallops Flight Facility, Jan. 6, 2014, in advance of its launch.Bill Ingalls / NASA Though sperm are generally ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In nature, patterns of chemical interactions between two different ...

Scientists have decoded a protein from sea-urchin sperm that's also found in other animals, including humans, raising a new potential avenue for treating male infertility and developing male birth ...