eye health

Electronic eyeglasses took took top honors at the Consumer Electronics Expo this spring. By tapping the temple of the glasses, you can switch the focus, eliminating the need for reading glasses, progressive lenses or bifocals. Check out the video to see how they work.

Holy guacamole! The country is eating record amounts of creamy, green avocado  -- the key ingredient in our favorite Mexican dip -- and fast food chains are embracing it on their menus.