What Is a Healthy Diet? The Answers Are Unsatisfying
In the 1960s and 1970s, doctors pointed to two likely culprits for the country’s heart disease epidemic: dietary fat and cholesterol. Much of the country tried to avoid fat at all costs. But did the low-fat recommendation help or hurt? And why is nutrition still so controversial?
Bliss Point: How Food Companies Make Us Crave Their Products
How did food companies get us to crave their products? They discovered the "bliss point."
Is the Key to Obesity All in Your Gut?
Is there a hidden cause of obesity? A professor at Stanford thinks the answer might lie with the 100 trillion microbes living in our bodies.
The Unexpected Science of Exercise
Does exercise really make you lose weight? One scientist went to Africa and found an unexpected answer.
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Blackout: Understanding the US Power Grid's Vulnerability from the 2004 Failure
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Future of Food
A small South Dakota farm holds lessons for feeding a crowded and less predictable world.