In the 1920s, scientists discovered plant pollen in peat sediments. The results showed that pollen remained unchanged in soil for thousands of years. To be exact, it is not pollen, but a pollen membrane composed of a substance called pollen element. Many experiments show that the pollen membrane remains unchanged even after boiling in acid-base solution. Looking back, pollen was found on the seabed, and it has not changed. You can imagine how much pressure it can bear.

Now back to the question mentioned at the beginning. The analysis of pollen spores is very useful to biologists, especially those who study extinct animals and ancient plants. Scientists studied the plant pollen in the stomach of mammoths and found many interesting facts. Mammoths mainly eat grass and moss. It has been proved that mammoths don't eat ferns and moss. The existence of pollen indicates that this animal once lived in the Angara River and Yenisei River basins.

The analysis of pollen spores provides textual research for understanding the main stages of earth development. For example, it is obvious that the time when plants turned to land was not in the PaleoDevonian, but around 300 million years ago. This is far from a record of all the functions of pollen.

The basic principle of pollen spore method is: crush a piece of ore with pollen imprint, put it in a liquid with higher density than the pollen itself, the pollen floats up, and then collect the pollen precipitate with a centrifuge, so that it can be analyzed at any time. Geologists believe: "If we can identify the past appearance of the earth with the help of pollen, we can determine the age of crustal deposition. Because pollen can be found in all sediments. "

It is very important for geological research to know the sedimentary age of ore-bearing crust. It's good to have animal and plant debris hidden in the stratum, but what if there isn't? At this time, it is necessary to rely on pollen to help. But pollen is not only the history of "lost years", but also a geological prospector who gets help from pollen. Besides these, it is also a repository of various vitamins.

Not long ago, cans with the words "pollen honey" appeared in the cupboard of "Nature Gift" shop. Housewives looked at these cans with distrust and put them back. "It would be great if it was pure honey, but what pollen should I bring?" If they know something about the efficacy of pollen, they will change their views on pollen honey.

There are many carbohydrates, fats, protein and inorganic salts in the tiny pollen balls with the size less than 2 microns. The high content of vitamins in pollen is unmatched by anything else in nature. The content of vitamin A in pollen is more than 20 times higher than that of carrot.

There are more talks about mental stress and mental burden now. You see, the incidence of myocardial infarction and nervous disorder is on the rise ... In this way, the aromatic glycoside (rutin, youth vitamin) contained in one gram of pollen can prevent myocardial infarction, cerebral hemorrhage and retinal hemorrhage in dozens of people. Pollen honey is also used to treat hypertension and nervous system diseases.

Sometimes people can see that the weather is fine. A completely healthy person goes out and comes back with a cold, cough and fever. What happened? Why do healthy people catch a cold when they go out on a sunny day? The problem is still pollen. Because the air is full of pollen when all kinds of plants bloom, pollen will cause some people's adverse reactions. At this time, there is no need for cupping and mustard cream. The same pollen can be made into a medicine, which can cure the disease once and for all.

It is difficult to predict in which fields pollen science can show its ability, but one thing is clear, it will faithfully serve mankind.