Whether crying makes you feel better or worse emotionally, shedding tears is an important part of keeping our eyes healthy. Tears help shield our eyes from the rest of the world and keep them hydrated ...

Q: First: In your last week's column, you answered a question about a bird which sounded as if it were crying. My thought: Could it be a catbird? I am always entertained by their nonsensical mimicking ...

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Birds and reptiles may not resemble humans in many ways, but they cry similar tears. The composition of human tears is well known, but until now, there was very little research into the composition ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A remarkable clip shows a lyrebird, located in Australia's Taronga Zoo, mimicking the sounds of a crying baby—and viewers ...