Who doesn’t enjoy waking to a pleasant smell wafting past? Unfortunately for them, the penguins in a recent study woke up not to pancakes frying nearby, but to less appetizing aromas—for example, feces on a stick. But scientists promise the experiment taught them valuable lessons about a penguin’s capabilities. Besides, they let the birds go right back to sleep.
“Research into the sense of smell in birds has a bit of a dubious history,” says Gregory Cunningham, a biologist at St. John Fis