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Why does Cutting Onions Make us Cry?

Why does Cutting Onions Make us Cry?

If you cut an onion, you begin crying. Have you ever wondered why this happens — why onions make tears run down your face? Well, onions contain a oil, which has lots of sulphur in it. When you cut the onion, this oil is released. It evaporates very fast. When the oil gases reach your eyes, it causes irritation and sends signals to your tear gland to produce tears. So that the tears can wash away the irritant from your eyes....

Why do Onions Make us Cry?

Why do Onions Make us Cry?

One of the earliest memories I have as a child is when I was approximately three or four years old. I remember watching my mother work in the kitchen. She was cutting onions for the salad and I could see tears in her eyes. For a child the worst possible thing is to watch his/her mother cry. I got so upset that I got hysterical at my father for causing her pain. For I assumed my father was somehow responsible as we were only the three of us in our family....

Why Don't Spiders Get Caught in Their Webs?

Why Don't Spiders Get Caught in Their Webs?

Spiders are not insects but are classified by biologists as arachnids. Arachnids are different from insects as they have eight legs and no antennae. There are over 40,000 species of spiders and some of them build webs while others rely on speed to catch their prey. A spider building its web is extremely fascinating to watch. Some spin these webs by squirting silken threads from modified excretory glands in their body. Each silk gland (some species have up to five) produces a different type of silk....

Why is Hair Today, Gone Tomorrow?

Why is Hair Today, Gone Tomorrow?

Here’s a quiz question: what is curly or straight and needs to be combed, brushed, plaited or twisted? It is gelled, shampooed, dyed, coloured black, blonde, white, red, brown and needs to be cut once in a while. A hint – the answer is above your head – it’s your hair! Each time you pass by a mirror, the one thing that strikes you is the hair on your head. Hair is something that grows by itself without any help....

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