The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
Why do we cry? The science of tears, The Independent
Human tears contain substance that eases aggression, says study, Science
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Understanding Tears: The Biology and Psychology Behind Human Crying — GOLD THERAPY
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Why Do We Cry? 6 Practical Explanations
The Definitive Guide to Reading Facial Microexpressions
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The Microscopic Structures of Dried Human Tears, Science, tears
Why Do We Cry?, The Science of Crying
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