01
Orange peel is very common in life, and its use is also many, but do not let the orange peel close to the balloon, otherwise it is easy to cause the balloon to explode. In simple terms, the water extruded from the orange peel contains plant-based aromatic oil substances that can dissolve rubber, and balloons are made of rubber.
The orange peel has many dense holes, which are the oil glands of the fruit, which contain an aromatic hydrocarbon called limonene, which belongs to the class of organic solvents. The main material of the balloon is latex and rubber polymer organic compounds, which are rich in latex. According to the "principle of similar dissolution" in chemistry, two organic substances are mutually soluble when they come into contact with each other. The aromatic hydrocarbons of limonene in the peel juice are equivalent to solvents, and the latex in the balloon acts as a solute, and when the two meet, the limonene dissolves the latex, resulting in a local thinning of the surface of the balloon, and the original balloon stress balance is broken, so that the pressure that the balloon can withstand becomes smaller, resulting in an explosion.
02
Cats eat mice we all know, so do you know why cats like to catch mice to eat?
Cats like to eat mice because mice are the most comprehensive source of nutrients. Scientific research has found that mice are rich in protein, in addition to being rich in taurine, and cats themselves can not synthesize taurine, but taurine is very important to cats, if the cat lacks taurine, then its vision at night will decline, in the long run will suffer from night blindness, resulting in inability to be able to carry out activities at night.
Therefore, in order to be able to act at night, cats need to ingest taurine regularly. Mice and fish are rich in taurine, so the average cat will choose to catch mice to eat to achieve the purpose of ingesting taurine. For pet cats, owners will be more willing to give the cat fish or other foods containing taurine. But after all, only humans know and name taurine, and animals have begun to have a demand for this substance in the long evolution, so this nature has been passed down as genetic information.
03
If you count the largest number of wild birds in the world, it is estimated that there are the most sparrows. However, if you add human-raised poultry, the largest number will be chickens.
Today, there are hundreds of chicken types, which are mainly divided into broilers, fighting cocks, and pet chickens according to their use, the most of which are broiler chickens that exist as food. Because of the improvement of living standards, especially the rise of third world countries, chicken meat is greatly welcomed as a high-quality and cheap protein, and the demand for broiler chickens has also increased rapidly, according to statistics, at least 50 billion chickens are eaten by humans every year. Even so, the number of chickens has not only not decreased, but has increased.
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Source: Jiangsu Satellite TV