Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

A new way to measure male fertility has been discovered by researchers at the University of Waterloo, opening the door to the development of simple, inexpensive tests for clinical and at-home use. The ...

Some of the most intractable gastrointestinal disorders, such as irritable bowel syndrome and inflammatory bowel disease, are motility disorders, where the contents of the intestines don’t proceed ...

The only mail-in sperm testing kit to deliver estimated initial motility, progressive motility, and post-thaw motility, providing clinicians with the most complete motility profile available outside ...

Bacteria are able to translocate by a variety of mechanisms, independently or in combination, utilizing flagella or filopodia to swim, by amoeboid movement, or by gliding, twitching, or swarming. They ...

The protein structure of the motor that propels archaea has been characterized for the first time by a team of scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory ...