Back problems are an ever-present reality for millions of Americans. Chronic back pain is the most common reason for missed work in the U.S. and the leading cause of disability worldwide.
Self-driving cars, part 1: How autonomous are they?
Self-driving vehicles potentially offer a tremendous upside. They could lower the cost of transportation, decrease congestion, reduce emissions and increase mobility for disabled individuals, elderly and hundreds of thousands of others who are unable to drive for a variety of reasons.
