Why does Stephen study whale earwax?

A psychologist with wide-ranging interests, Stephen Trumble studies everything from rats to zebrafish, but these days whale earwax is taking over his Baylor University lab. There are already 30 pieces of it lined up, each requiring about a year’s worth of analysis — and he hopes to obtain five times as many. He’s doing this because hidden in all that wax is information that could tell us how life has been changing for whales and the Arctic in the past 100 years or more.

The payday loan industry, which is vilified for charging exorbitant interest rates on short-term loans that many Americans depend on, could soon be gutted by a set of rules that federal regulators plan to unveil on Thursday. People who borrow money against their paychecks are generally supposed to pay it back within two weeks, with substantial fees piled on: A customer who borrows $ 500 would typically owe around $ 575, at an annual percentage rate of 391 percent.