3D printing technology has been more and more deeply into human life. The principle of 3D printing is actually the same as that of ordinary printers we are familiar with. Ordinary printers can print the text and charts in the computer on a piece of white paper. When you zoom in on these text charts, …
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Category:Sci. & Tech
Indoor pollution is more serious than outdoor! These two types of people hurt the most
“In the past, people always blamed industrial production and traffic vehicles for environmental pollution. In fact, some data show that industrial pollution accounts for 41%, while indoor pollution is as high as 59%.”The average person spends only 8% of their time outdoors, usually no more than two hours, and spends most of their time indoors. …
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What’s going on inside your body when you grin?
Laughter has been a part of being human from the first few months of life. According to statistics, children laugh about 300 times a day on average, and adults laugh an average of 15 to 100 times a day. Women generally laugh more than men. Laughing produces a sense of happiness. What’s going on inside …
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Scientist: People with good looks have stronger immune function
All people are created equal, but people have different appearances. Some people say that being good-looking is a natural advantage. Recently, scientists have confirmed this: people with good looks may have a stronger immune system. In the study published in Proceedings of the Royal Society B: Biological Sciences, a research team from Texas Christian University …
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Drop an eye drop, but the bitterness is in the throat? That’s the way you open it wrong…
Nowadays, it is difficult for people to get rid of the feeling of fatigue in the eyes after watching the electronic screen for a long time. At this time, many people like to drop a few drops of eye drops to relieveBut you find that you often have a sore throat during the process of …
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Get me up! New study: Even at 60, your brain isn’t slow
“You’re too old, your mind can’t move.”In the past, most people are convinced that the reaction of the elderly is more sluggish than that of the young.Numerous scientific studies also show that there is a negative correlation between thinking speed (the speed at which the brain thinks about problems) and age. That said, older adults …
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“Anti inflammatory diet” is popular! What are anti-inflammatory food and pro-inflammatory food? Put it away!
Many diseases that perplex the human body have a common feature – inflammation. Recently, many food bloggers have begun to introduce a magical “anti-inflammatory diet”, claiming that it can enhance human immunity and reduce the risk of inflammation and infection. There are not only “anti-inflammatory diets”, but also many foods that exacerbate inflammation. Are these …
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This disease is second only to “cold” in incidence and may “disable” middle-aged people
Among the various pains that occur in the body of adults, low back pain is a high-frequency “pain”, and its prevalence is second only to colds. In addition to illness, sedentary, menstrual period, exercise, lifting heavy objects… These times may touch the low back pain switch. The Lancet, a top international medical journal, shows that …
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Largest group of terrestrial planets outside the solar system
Scientists have been trying to figure out, are planets similar in composition to our own ubiquitous in the Milky Way and the wider universe? In 2016, scientists discovered a galaxy, the Trappist-1 galaxy, which, much like our solar system, consists of one star and seven planets. The planets in this galaxy are composed of materials …
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Does reality come from consciousness or does it really exist?
Reality, a thing that is difficult to define, we experience “it” every day, but we have never known how big it is, how far it is, where it came from, where it is going, and why it exists. Does reality come from consciousness or does it really exist? What is “reality”? For many people, “reality” …
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