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An argumentative essay that adheres to the truth
People always respect those who discover the truth and think that only a genius can discover the truth. In fact, it is not difficult to find out the truth, and it is not easy to say it. The truth is always by your side. Whether you can find it depends on whether you have a pair of keen eyes, a thinking brain and the courage to persist in exploring the truth.

Throughout the history of thousands of years of scientific and technological development, the discoverers and founders of those theorems, laws and theories are almost always good at looking at problems from tiny and commonplace natural phenomena, seeking the source, and finally putting "?" Straighten into "!" , found the truth.

Take a bath, for example. It's a very common thing. However, Professor Xie Piluo, head of the Department of Mechanical Engineering at the Massachusetts Institute of Technology, keenly noticed that every time the bath water is released, the vortex of the water rotates counterclockwise, because the earth has been rotating from west to east, while the United States is in the northern hemisphere. The typhoon in the northern hemisphere rotates counterclockwise for the same reason as the whirlpool of bath water. He also asserted that if in the southern hemisphere, the whirlpool of bath water would rotate clockwise; At the equator, no vortex will form. His view aroused great interest of scientists all over the world, and they conducted experiments in various places. It turns out that Xie Piluo's conclusion is completely correct.

Coincidentally. More than 60 years ago, a biologist named Michelson found that there was an earthworm at the same latitude on the east coast of the United States and the west coast of Europe, but there was no such earthworm on the west coast of the United States. Why is this? This problem attracted the attention of German geologist Wei Gena, who was studying the origin of continents and oceans at that time. Wei Gena believes that small earthworms with limited mobility cannot cross the ocean. Its distribution just shows that the European continent and the American continent were originally connected, and later split to form two continents. He took the geographical distribution of earthworms as an example and wrote it into his masterpiece The Origin of the Mainland and the Ocean.

The most interesting thing is an Austrian doctor. When he saw his son sleeping, his eyes suddenly turned. He was surprised and quickly woke up his son, who said he had just had a dream. The doctor thought, can the rotation of the eyeball be related to dreaming? So he took his son, wife and neighbors as the experimental objects, conducted repeated observation experiments, and finally wrote a paper, pointing out that when people's eyes turn, it means that sleepers are dreaming. Nowadays, when people study the physiology of dreams, the number and length of dreams are measured by the number and time of eye movements.

The whirlpool of bath water, the distribution of earthworms and dreaming are all common things. However, people who are good at "asking what's next" have found something, created something and made progress.

In the history of science, there are more than three such examples. It shows that science is not mysterious and truth is not far away. As long as you know a little, after you answer a hundred question marks, you will find the truth.