Fast Shipping, Madam C.J. Walker & European History

America’s addiction to absurdly fast shipping has a hidden cost

It may be true that the best things in life are free — but in this case, it’s usually because the earth is paying for it down the line.

Madam C. J. Walker: The Ultimate Self-Made Woman

Madam Walker was one of the most remarkable self-made women — or person of any gender — in American history. This is her story.

Arctic lead levels shed new light on Europe’s history

Lead trapped in Arctic ice tracks Europe’s money supply over the past two millennia.

The Thrill of Uncertainty

So much of investing is not what you know, but how you behave.

A new study tracks the surge in Chinese loans to poor countries

Nearly half of China’s credit is hidden, and much of it goes to vulnerable borrowers.