Scientific tips help you survive in life

Science is growing to help people have more and more useful tools in life. But that is not synonymous, the tricks created by the ancients are no longer valid. Not even many recipes have been used since hundreds of years ago, but still today are realistic.

Tips to help you survive in life

Even hundreds of years later, these scientific secrets remain valid.

1. Recipes boiled eggs cracked

Previously, you often throw away broken eggs? If so, after reading this secret, you will not need to waste like that anymore.

Very simply, just add a little vinegar to the boiled egg pot . Egg whites are albumin proteins. In hot water and acetic acid (vinegar), albumin precipitates quickly. The result is the white heart covering the cracked eggshell, which helps you get the hard-boiled egg without ruining the texture.

2. Tips for picking up glass chips or rose thorns into their hands

The feeling of being stabbed by a thorn or glass debris is always very uncomfortable. However, with the above secret you will easily get rid of them.

Accordingly, you only need to press tightly the part of the spiked arm into a small container of hot water . The pressure created by the steam will then make your hand stick to the mouth of the bottle. Wait a moment later, pull out your hand and you will see the natural thorn coming out of your hand.

3. Manufacturing fire fighting equipment from salt and water

In the old days, when there were no modern fire extinguishers, people knew how to use salt, water and salt of ammonia to put out small fires in the house.

Specifically, prepare a mixture of 2 liters of water, 0.45 kg of salt and 0.225 ammonium salt (possibly (NH4) 2CO3). Then, when there is a fire, immediately throw this mixture into the fire. Edible salt acts to absorb heat and isolate the exposure of fires to oxygen in the air. At the same time, ammonium salt also produces CO2 so it will put out the fire very quickly.

4. Great way to match matches to the wind

We must have all had a little trouble lighting fire with matches that blew around the wind right? With the above technique, you can rest assured that the fire you lit will be nothing.

Very simply, just scratch the match of the match like in the picture . When matches burn, the area of ​​contact with oxygen of matches is also larger than that of a conventional matchstick. As a result, you can freely use matches when it is windy without fear of fire turning off quickly.

5. Water plants every day when you work for a whole week

Are you far away and worried about plant pots at home without caregivers? So let some wool thread connect one end to the water bowl, the other end to the soil of the plant pot.

Under physical rules, water will seep into the wool and move from top to bottom, dripping into the soil of the tree. At that time, the tree will still be lush due to regular water supply.

6. The secret of survival when facing the evil dog

Many of us consider dogs a terror. So what do you do when you face a bad dog?

The most effective way is to use the hat you're wearing or a stick (if you have one) and raise it forward . According to scientists, dogs tend to take down obstacles before attacking an opponent. So while the dog is 'busy' handling the hat, you have enough time to find a way to escape.

7. "Lying" the classic water filter mechanism

This is one of the classic water filtration methods commonly used worldwide. When there is no filtered water used, make your own 4-layer jar consisting of fine sand, sand mixed with gravel, small stones and large stones like this.

When the water flows from the top down, the surface of the filter layers will retain dirty, cloudy substances and produce clean water products that can be used for cooking and drinking.

8. Measures to keep fresh eggs with Mother Nature

Finally, a method to keep fresh eggs without a refrigerator. Accordingly, put fresh eggs in a sealed container covered with salt and keep in a cool place.

Thanks to its characteristic chemical properties, salt protects eggs from agents such as moisture or bacteria. According to experts' estimates, this method can keep eggs fresh for 9 months without any problems.