You're going about your day tackling one to-do after the next, when suddenly a strange sound stops you in your tracks. There's something crackling inside of your ear. You give your ear a scratch, but ...

Medically reviewed by John Carew, MD Key Takeaways Earwax buildup can cause crackling sounds in the ear. Swallowing, chewing, ...

Dust devils on Mars form when air near the warm surface heats up and rises through cooler surrounding air, causing nearby air to rush in and start rotating. As this spinning air column accelerates, it ...

Make sure that the listening area is quiet, and importantly, do not listen through the patient's clothing. Warm your stethoscope either by carrying it in your pants pocket or by vigorously rubbing it.

Adventitious breath sounds are abnormal sounds resulting from unusual airflow through the lungs. They can be due to conditions, such as asthma or bronchitis. Anything that changes the normal airflow ...