While you’re reading, listen to our Best Bass Guitar Riffs playlist here ... absolutely necessary to play a whole lot more. His too-short time in Metallica gave all future metal bassists ...

Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.

Muscle strength grading is used to categorize muscle strength on a scale of 0 to 5 in relation to the expected strength for a muscle. One of the more common methods is a hands-on test called the ...