If you're chronically sleep deprived, don't expect 30 minutes on the elliptical to knock you out tonight. The sleep-boosting benefits of exercise take about four months to kick in for people with insomnia, a study suggests. But perseverance pays off.
Think of everything your brain processes in a single day: your breakfast, a stain on a book cover, a meeting at work. If you remembered all those things, your brain would reach capacity. Author and neuroscientist Penelope Lewis says sleep helps sort through the memories that are worth keeping.
Rabbits have joined the growing list of animals that scientists are "marking" with proteins that cause them to glow green under black light. The process helps researchers study genetic diseases and is used in medicine production.
Smart windows change how much sunlight they let through on a hot day. Such windows could reduce the demand for energy by reducing the need for air conditioning. This quest has been going on for years but it's got years to go before the project becomes a reality.
The electricity system is experiencing growing pains as the grid is beginning to rely on an increasing amount of renewable, particularly unpredictable sources of power like wind farms and solar panels. So grid operators are turning to individual customers to beef up redundancy and capacity.
At the farmers market this time of year, tomatoes are strutting their stuff in all sorts of glorious and quirky colors: green striped, white, pink, purplish-brown. Consumers have seed savers and amateur breeders to thank for discovering and sharing some of these heirloom varieties, like the Cherokee Purple.
As Morning Edition looks back on the blackout of 2003, David Greene talks to Steven Weissman, the director of the Energy Program at the University of California Berkeley, about how the country's electrical systems work, and how to manage them in the future.
Sagging power lines and computer glitches led to a power outage that left 50 million people across the Northeast U.S. and part of Canada in darkness on Aug. 14, 2003. New sensors have been installed, and operator training and computer systems have been upgraded. But is that enough to prevent another massive blackout?
When you give to WAMU, your tax-deductible membership gift helps make possible award-winning programs such as Morning Edition, All Things Considered, The Diane Rehm Show, The Kojo Nnamdi Show, and other favorites.