Why Do Stars Blink or Twinkle?
Stars blink or twinkle when we observe them (from the surface of the earth) because we are viewing them through different layers of turbulent (swirling) air and...
Read MoreStars blink or twinkle when we observe them (from the surface of the earth) because we are viewing them through different layers of turbulent (swirling) air and...
Read MoreWhy Do Frogs Blink Their Eyes When They Eat? Blinking its eyes helps a frog to eat. As you know, frogs catch their prey with sticky tongues. When an insect sticks to...
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...
Read MoreWhy do we blink our eyes? Blinking keeps our eyes clean and healthy. Our eyes are constantly being washed by the salty fluid known as tears. Tears come from glands that...
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