Traffic engineers are learning that they can increase road efficiency and safety by eliminating left turns at many busy intersections, even those that have left turn arrows. This increases distance traveled for some people--some may have to make three right turns instead--but virtually everyone benefits in travel time, as package carrier UPS has learned. A traffic engineer and UPS official discuss how it could work.
Dementia has a much wider range than most people think, and people with dementia are usually functional for years. An expert discusses the course of the disease and how life can still be positive for years before it reaches the late, debilitating stage most people think of when they hear the word “dementia.”
Officials are worried we may start seeing a spike in Covid cases soon and it could become serious by fall. Then, Have you lost your sense of smell? Covid may not be to blame--it could be air pollution. Then, doctors can now use smartphone cameras to detect bacteria on the skin and in the mouth. And finally, for people suffering from hard-to-treat depression, new research suggests a non-traditional treatment method - laughing gas.