Q: My 2010 Chevy pickup truck has been a perfect truck for almost 12 years now. The last time it went in for tires and an oil change I was told it was going to need ball joints, and the ball joints ...

MIT researchers invented a technique that preserves crucial muscle communication—and it has even more benefits than expected. Most amputations sever the muscle pairs that control joints such as the ...

"Overlays are not designed to repair cracks," says Tim Lowe of Increte Systems. But if a crack is left unrepaired it will result in problems, including causing the overlay to crack and fail itself.