In his travel diaries, Marco Polo recounted how he often heard haunting sounds at night as he traveled through the Gobi desert. Now, researchers studying sand dunes in Death Valley National Park and ...

The mental image of a cat burping may be a bit funny and maybe a bit jarring. After all, we tend to think of cats as neat and dainty little pets, in contrast to their raucous, rowdy, belching canine ...