Why Do Onions Make Us Cry?

 

Why Do Onions Make Us Cry?

Onions are used in kitchens all around the world. People add them to soups, salads, sauces, and many other dishes. They can make food taste better, but they can also do something strange: they can make us cry. Many people have wondered why this happens. The answer is simple and interesting.

An onion grows under the ground. While it is growing, it takes in different things from the soil. Some of these contain sulphur. The onion uses these substances to make special chemicals inside its cells. When the onion is whole, these chemicals stay in different parts of the cells.

Everything changes when we cut the onion. The knife breaks the cells and allows the chemicals to mix. This creates a gas that moves into the air. The gas can quickly get into our eyes.

Our eyes are very sensitive. When the gas reaches them, it mixes with the water on the surface of our eyes. This causes irritation. Our eyes can start watering in the blink of an eye. They produce more tears to wash the irritating substance away. So, crying while cutting an onion is actually the body’s way of protecting the eyes.

Scientists have studied onions and the chemicals they produce. They have discovered more about why onions make people cry. Their research has helped us understand that the tears are not caused by the smell of the onion alone. They are mainly a reaction to the gas released when we cut it.

But can we stop the tears? People have tried many different methods. One simple idea is to cool the onion before cutting it. A cold onion may release the gas more slowly. Using a sharp knife can also help because it damages fewer cells than a blunt knife.

Some people cut onions near an open window or use a kitchen fan. Moving air can carry some of the gas away from the face. Others say that cutting an onion under running water can help, although this may not always be practical.

Onions have another interesting side too. They contain useful nutrients and are part of many healthy meals. People have eaten onions for thousands of years, and today they are still an important ingredient in kitchens around the world.

So, the next time your eyes start watering while you are preparing dinner, remember that your onion is not trying to make you sad! Your eyes are simply protecting themselves. Now you know the simple science behind those tears.

Grammar Notes

Present Perfect

The Present Perfect is used to talk about past actions or experiences that have a connection to the present.

Structure:

Subject + have/has + past participle

Examples from the article:

• Many people have wondered why this happens.
• Scientists have studied onions.
• They have discovered more about why onions make people cry.
• People have tried many different methods.
• People have eaten onions for thousands of years.

We use have with I, you, we, they and plural nouns.

We use has with he, she, it and singular nouns.

Example:

Scientists have studied onions for many years.

She has tried a new way to cut onions.

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Five Questions Based on the Article

• Where do onions grow?

• What happens to the onion’s cells when we cut it?

• Why do our eyes produce more tears?

• What have scientists discovered about onions?

• What are two ways to reduce tears when cutting an onion?
  
  

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