Burping is a normal part of everyday life. Burps happen when air from your stomach travels back up your food tube – called an esophagus – to your mouth. Air gets into your stomach during activities ...

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 ...

Avalanching sand from dune faces can trigger loud, rumbling 'booming' or short bursts of 'burping' sounds -- behaving as a perfectly tuned musical instrument. This sound is persistent and the dunes ...