Understanding the effects of lubrication formulations and accounting for the effects of mixing a replacement grease with the previously used product will help to maintain optimal bearing performance.

A pediatric heart transplant procedure pioneered by Canadian doctors--once deemed impossible--has been shown to be at least as effective as the traditional approach, according to newly published ...

Most evolutionary biologists distinguish one species from another based on reproductivity: members of different species either won't or can't mate with one another, or, if they do, the resulting ...

For most of the 20th century, scientists believed that the reproductive incompatibility between species evolved gradually as a by-product of adapting to different environments. New research has shown ...

Almost all intimate relationships have areas of incompatibility that may come and go throughout the duration of the relationship. Incompatibility is each partner taking a position that is exclusive of ...

All couples want to believe that they’ll be the ones to make it and have a lasting relationship filled with love and happiness. Unfortunately, it doesn’t always work out that way. Some people just ...

In graduate school, while studying to become a therapist, I learned that couples fight about predictable issues on which the partners' views differ: parenting, finances, sex, household chores, ...