6ave via eBay offers the Canon EF 24-105mm f/4L IS USM Autofocus Lens, model no. 0344B002, for $639.99 with free shipping. That's $49 under our December mention and the lowest total price we've seen. (It's a current price low by $55.) It features image stabilization and three aspherical lenses.
Exercising in the right way can "significantly" improve brain function for folks over age 50, new research shows. Here's the skinny.