Experts believe about 40 percent of the food available in America is thrown away. Solving this environmental problem also creates an opportunity to help with food insecurity. It starts with consumers. Experts explain where waste comes from and how people can cut down on its production.
A blood test for early Alzheimer’s disease could be just a few years away. Then, what makes a murderer? it could be less gray matter in the brain. And finally, hot tub owners may have the secret to a good night’s sleep.