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
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Tears
Why Do Your Eyes Water When You Slice Onions?
Why Do Your Eyes Water When You Slice Onions? Onions contain strong-smelling oil. When the onion is peeled and cut, this oil escapes into th
Why Do Our Noses Run When We Cry?
Why 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 t
Do Animals Cry?
Do 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
Why Do Onions Make Our Eyes Water?
Why Do Onions Make Our Eyes Water? Onions contain mildly stimulating oil. This oil readily forms a vapor (gas), which escapes into the air w