We've heard many claims in the past decade — and much debate — about the role of vitamin D in the prevention and treatment of conditions as varied as brittle bones, heart disease, cancer, diabetes and dementia.
For centuries, Asia has been home to sophisticated vegetarian cultures. In recent years, Americans have gradually discovered cooking with meat substitutes like tofu and an Indonesia soybean cake called tempeh.
Tempeh is known for being versatile. There's an almost endless variety of ways to cook it. My favorite is perhaps one of the simplest: Cut it into thin slices, cover it in spices and crushed coriander seeds, and pan-fry it in a little oil until it's golden brown.
During the State of the Union, President Obama said the nation is about to embark on an ambitious project: to examine the human brain and create a road map to the trillions of connections that make it work.
"Every dollar we invested to map the human genome returned $140 to our economy — every dollar," the president said. "Today, our scientists are mapping the human brain to unlock the answers to Alzheimer's."