More accurately called dampers, “shocks” damp excessive motion, keeping the vehicle’s body from bouncing down the road. Cars with worn-out shock absorbers illustrate what the devices are ...

Ball joints cost $140 per side (installed), and wheel bearings run about the same. Worn shocks don't dampen spring oscillations, so your tires spend more time in the air after each bounce.

The Food and Drug Administration (FDA) has cleared the Jewel® Patch Wearable Cardioverter Defibrillator (Patch-WCD).