1:39
Recommended
An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr
"Space Observation" Bolivia's Tunupa volcano photographed by the International Space Station
05/21
1264
Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M
American satellites have made a major discovery: There is an "Eye of the Desert" in Inner Mongolia, China! The cause is a mystery
05/21
1772
Midsummer has arrived, and it’s the time of year when people have the most intensive outdoor activities. How is the air quality in various places? Ministry of Ecology and Environment: Moderate ozone pollution will occur in many places in the first half of July. The Ministry of Ec
Let’s ask the question: Moderate ozone pollution will occur in many places in the first half of July. How to control and protect it? (CCTV News)
05/22
1818
Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators.
"The Story of Invention" (74) - Italian physicist Volta invented the battery
05/21
1748
Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha
Why doesn’t the water on the space station float out of the cup?
05/21
1507
Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".
Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?
05/22
1711
"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.
26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning
05/21
1374
Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor
Jiangsu University of Science and Technology: Cobalt nickel selenium nanosheets grown on 3D carbon framework for use in supercapacitors
05/21
1591
Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology".
Yale Ph.D.: This major has deceived me for fifteen years, and finally I found that I made a profit
05/21
1351
New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely.
New research shows that some viral infections may make people more "mosquito-attractive"
05/22
1801
Relation Video
science Relation Video
Site video recommendation
science Latest News
I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau
Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.
05/23
1252
The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become
Abnormal weather will occur in many places in 2022! Are Hawking's climate predictions credible? Analysis: Be wary of extremes
05/23
1774
Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion
There is a gravitational source outside the orbit of Pluto. Scientists: It may be the legendary ninth planet
05/23
1449
When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world.
Snails are said to be the creatures with the most teeth in the world. So what are the uses of so many teeth?
05/23
1641
Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti
Two main strategies for robot gait control
05/23
1358
The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w
[Tongxinyu] The pearl is dazzling and the bauhinia is beautiful - Chinese scientist Sun Dawen writes an article to celebrate the 25th anniversary of Hong Kong's return to the motherland.
05/23
1190
Site Latest News
In July 2021, the General Office of the State Council issued the "Opinions on Accelerating the Development of Affordable Rental Housing", proposing for the first time to encourage non-residential housing stock to "convert to affordable rental housing."
Youth Living Report②|Long-term rental apartments look beautiful, why don’t young people love them?
05/23
1492
The China Consumers Association released a comparative test report on 25 electric toothbrushes on the 13th. The maximum noise of the samples exceeded 50 decibels, and the user felt like a dental drill. In addition, the charging and discharging times of the samples vary greatly. T
The maximum noise exceeds 50 decibels - China Consumers Association releases a comparative test report on 25 electric toothbrushes
05/23
1401
In life, when you feel communication barriers, your hearing loss is often more serious. I am about forty years old and my hearing is 50 decibels. Do I need to wear a hearing aid?
I am about forty years old and my hearing is 50 decibels. Do I need to wear a hearing aid?
05/23
1013
Recently, the China Consumers Association conducted a comparative test on 25 electric toothbrush products sold on the Internet and found that the cleaning power and battery performance of toothbrushes vary greatly.
Evaluation of 25 electric toothbrushes: great differences in cleaning power, some are as noisy as a dental drill
05/23
1876
Although when many people think of Northeast China, they think of stewed pig meat and barbecue in iron pots. In fact, authentic Northeastern dishes also taste very good. For example, Guobao Pork is a dish eaten in both the north and the south. Its taste is similar to Sweet and so
A mother from Northeastern China has such an appetite for cooking that her daughter can cook 5 bowls of rice at a time. Netizen: If you are not fat, who is fat?
05/23
1170
Pig's trotters are a mouth-watering delicacy, fat but not greasy, rich in collagen protein, and good for beauty. No matter in spring, summer, autumn or winter, this delicacy always tempts our taste buds. Pig's trotters are also called pig's feet and pig's hands, and they are divi
A bite of such pig's trotters, fragrant but not greasy, soft and tasty, will make you want to eat more and more.
05/23
1093