A Moment of Science
It turns out, tears are more essential than might have thought. This Moment of Science looks at the chemistry of tears.
Ever been inadvertently sprayed with water as you reached into the vegetable bin at the grocery store? What's the point of spraying fruits and vegetables?
Does an onion a day keep the doctor away? Find out on this Moment of Science.
Are onions bad for your cat or dog? What foods should pets avoid?
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