Diversions: Gems, Tunnels, and Religion

Some quick links to a few non-market things on this busy Friday after a crazy week:

• Photos: The sapphire mines of Madagascar (Boston Globe)
• Auto-correlation among car traffic in tunnels (arXiv)
• The evolutionary diversification of religions (arXiv)
• 25 years of conventional data analysis proves worthless in practice (Science)
• San Diego decides to cut all power in rural areas during wildfire crisis periods (SD U-T)
• Letter from sole dissenter in SEC’s 2004 decision to allow increased leverage at investment banks (DaytonOS)

Related posts:

1. Why Your Telecommuting Neighbor Complains About the Smell
2. Video as Car Escapes Through Raging Wildfire
3. Extreme Value Theory and Jeff Smith
4. Avalanche Prediction (in Markets and Otherwise)
5. Caught in Space Traffic