Tonsil stones are accumulations of bacteria and debris in the crypts of some people's tonsils. This problem is not dangerous and is usually easily treatable.
You don’t need to believe in ghosts to enjoy a ghost story.
Chang'e-5 T1 'completely burned up' in Earth's atmosphere shortly after launch, officials said.
Tiny marine algae lingered in the bones of a fisherman who lived 5,000 years ago, and they reveal that he drowned in salt water.