The Science Times talks about a bicycle that works via the regenerative braking concept (like a Prius). I also found a blow-by-blow account of a 43 hour, $300,000 surgery in the same section. The surgery makes one think - how far will we go to save a human life? (the 59 year old man with five children and nine grandchildren undergoing a tumor extraction said the following before the surgery...“I can’t leave yet, I’ve got too much fun ahead of me.”)...