Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise. By Yan Zhuang Dolphins whistle. Whales sing. Fish croak, chirp, grunt, hum and growl.
Popping, clicking, rattling—these sounds from our joints can be unsettling, but are they cause for concern? Orthopedic specialist Chris Gee, MD, demystifies these auditory oddities, highlighting when ...