Over the past 14 years, the 49-year-old has built a thriving farm in Abu Dhabi, providing his family with a steady supply of fresh produce, meat, poultry, dairy, fruits, vegetables, and honey.

From these tiny fragments we can glean tidbits of information about our planet's interior. A diamond unearthed in a diamond mine in Botswana is just such a stone. It's riddled with flaws containing ...