Common sense of life science popularization
1. Use toothpaste skillfully: If there is a small area of skin injury or burns, applying a little toothpaste can stop bleeding and relieve pain immediately and prevent infection. The curative effect is quite good.
2. "Medicated" flowers in the living room: chlorophytum, asparagus, Dendrocalamus, etc. placed indoors can absorb harmful gases such as carbon dioxide, sulfur dioxide and formaldehyde, reduce air pollution and resist microbial invasion.
3. Cleverly remove the smell of smoke in the room. Soak the towel in vinegar and twist it gently in the room to remove the smell of indoor smoke. If the diluted vinegar is sprayed with a sprayer, the effect will be better.
4. Men can use toothpaste instead of soap when shaving. Because toothpaste does not contain free alkali, it is not only non-irritating to the skin, but also rich in foam and fragrant, which is refreshing.
It is easy to get prickly heat in hot summer. The prickly heat can be washed with warm water and put on a layer of toothpaste, which will soon disappear.
6. The magical method of uncovering the tape: If it is difficult to uncover the tape or gummed paper attached to the wall, it will damage the object, and it can be easily removed by ironing it with a steam iron.
7. Moldproof method of leather shoes: When leather shoes are moldy for a long time, you can wipe them with a soft cloth dipped in alcohol and water 1: 1 solution.
Wipe it clean and put it in a ventilated place to dry. Moldy leather bags can do the same.
8. Tips for identifying mobile phones: The body number and outer package number of genuine mobile phones are the same as the number three transferred from the mobile phone. The word "CMII" is displayed in the lower right corner of the network access permission label under the money detector.
9. Sometimes the plastic cap on the bottle can't be opened because it is screwed too tightly. At this time, you can put the whole bottle in the refrigerator, freeze it outdoors for a while in winter, and then you can easily unscrew it.
10, hanging a handful of shallots under the lamp or wrapping a few shallots with gauze can't fly. Mosquitoes are most afraid of orange light Stick orange cellophane or silk on the light bulb so that mosquitoes won't come near.
Is it easy to get gallstones without eating? It's true!
Even if you don't eat breakfast, you will secrete bile, which will cause bile accumulation and easily form gallstones.
In addition, it is easy to get stones if you don't eat lunch and dinner.
Therefore, in order to lose weight and not eat, it is best to change the method!
Can eating big bone soup supplement calcium? It's fake!
Calcium in bones is difficult to dissolve, and as a result, the calcium in soup is still very small, even less than one tenth of that in milk, so it is actually impossible to supplement calcium.
Can cactus be put in front of the computer to prevent radiation? It's fake!
Cactus has no radiation protection function.
In fact, no plants have been found to have radiation protection ability.
Wear contact lenses during barbecue, will it melt and lead to blindness? It's fake!
Qualified contact lenses are still very stable at high temperatures.
Don't worry about melting at high temperature. You can abandon the frame glasses and barbecue generously!
If you feel uncomfortable, blink more and squeeze some tears. Contact lenses are more resistant to high temperatures in the presence of water.
Can a snakehead bite after being cut off? It's true!
Because snakes are warm-blooded animals, their heads need little oxygen after being beheaded, and they can survive for a while!
So everyone must pay attention to safety. If you encounter a similar situation, don't be careless
After the snakehead is cut off, chop it up, burn it or bury it. Don't go near it easily!
There is bisphenol A in the supermarket receipt. Can touching too much cause cancer? It's fake.
Although the supermarket receipt contains bisphenol A, every 1g receipt contains 0.0 139g bisphenol A, and its migration to human body is very small. Take the cashier as an example. The cashier's daily contact time with the receipt is 10 hour, and the intake of bisphenol A is 42 times lower than the allowable intake.
Therefore, consumers who touch several shopping receipts a day will not affect their health and will not cause cancer.
Is "Drip Guanyin" poisonous? It's true!
The dripping Guanyin itself will not release toxic gas, but the dew oozing from leaves or the endocrine juice from stems are toxic.
Different degrees of poisoning symptoms will appear after accidental contact or eating.
It is best not to plant it indoors. If you plant it, you should be careful not to break it and get its juice out. Friends with children or pets should be careful!
Does the scented eraser contain poison? It's true!
Fragrant erasers may contain more toxic and harmful chemicals than ordinary erasers!
This substance is not formaldehyde, but benzene chemical reagent, which can bring fragrance.
At present, the scented erasers used by students belong to new stationery, and the state has no corresponding testing standards for these stationery.
Don't buy it until you see the formal packaging on the rubber!
Sweet Q-bomb taro balls may contain paint ingredients? It's true!
In order to make taro taste q-elastic, there are indeed some merchants in the market who add "maleic acid" to taro, which is an industrial raw material for paint.
So when choosing, we should pay attention to the price and quality of taro.
Experts suggest that we'd better choose something original instead of pursuing the texture, color and taste of food excessively.
Snoring is actually a disease? It's true!
Snoring is very common, but it should not be underestimated!
Especially intermittent snoring is caused by airway obstruction and then hypoxia, which is long-term and chronic.
Can lead to brain, heart, lungs, liver, kidney hypoxia, and can cause obesity, and then aggravate snoring.
After the vicious circle, the condition becomes more and more serious, which can lead to sudden death. When snoring is serious, you should go to the hospital for professional examination and treatment.