The earliest records of tiger nuts date back to ancient Egypt, where they were valuable and loved enough to be entombed and discovered with buried Egyptians as far back as the 4th millennium B.C. Now, tiger nuts are making a comeback in the health food aisle. Nutritionally, they do OK.
One Silicon Valley startup that encouraged its employees to think about work 24/7 found they missed market signals, tanked deals and became too irritable to build crucial working relationships.
Hill Street Studios/Blend Images/Getty Images
It's not just kombucha and yogurt: Probiotics are now showing up in dozens of packaged foods. But what exactly do these designer foods with friendly flora actually offer — besides a high price tag?
Saul Loeb/AFP/Getty Images