Not all ships handle the same, and the reason comes down to two surprisingly simple numbers baked into the hull's geometry. From Great Lakers squeezed into St. Lawrence locks to ocean liners dodging ...

Want more charts like these? See our charts on the secrets of the jobless recovery, the richest 1 percent of Americans, and how the superwealthy beat the IRS. How Rich Are the Superrich? A huge share ...

Breaking free from nicotine isn’t easy, but with the right plan and support, you can take back control and breathe easier. Smoking is the leading cause of preventable death in the United States.