Cows: What Can't They Do?

Wonder animal tastes good, provides milk, lubricates your engine

Hereford Bull

USDA

A company has developed an engine oil made from beef tallow, which is currently sold for two- and four-cycle engines and auto racing, but is pending approval for use in cars. I'm curious, though, how beef tallow is otherwise used or disposed of. If you know, post a comment below.

Also in today's links: communities plot their futures, and how we know your best judgment prompted you to read this. Plus, amazing pictures.