What Are Tears?
What Are Tears? Tears are made of salt water, as you will know if you have ever licked a finger after wiping them away. They happen when the gland which provides...
Read MoreWhat Are Tears? Tears are made of salt water, as you will know if you have ever licked a finger after wiping them away. They happen when the gland which provides...
Read MoreWhy Do Your Eyes Water When You Slice Onions? Onions contain strong-smelling oil. When the onion is peeled and cut, this oil escapes into the air in the form of vapor...
Read MoreWhy Do Our Noses Run When We Cry? When a person cries, tears make the nose run. Glands under our upper eyelids are producing tears all the time. These tears are...
Read MoreDo Animals Cry? Most animals don’t cry the way people do. Many animals produce a liquid that looks like tears. These “tears” have nothing to do with...
Read MoreWhy Do Onions Make Our Eyes Water? Onions contain mildly stimulating oil. This oil readily forms a vapor (gas), which escapes into the air when the onion is cut or...
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