15:38
Recommended
A perpetual motion machine is an ideal machine that can work without any fuel. It does not require external energy input, or it only needs an initial energy. The perpetual motion machine can continue to do work forever without stopping.
Since there is no perpetual motion machine in the world, where does the power for the earth's rapid rotation come from?
05/27
1405
"Nature is infinite, and human civilization and creation are also infinite." Do you really understand the various plants around you?
15 must-see documentaries for florists
05/27
1758
In order to thoroughly implement the spirit of the Central Talent Work Conference and promote the transformation and deepening of Xi Jinping's socialist thought with Chinese characteristics in the scientific and technological circles, according to the "Opinions of the General Off
2022 Scientist Spiritual Education Base丨Dalian Institute of Chemical Physics, Chinese Academy of Sciences "Adhering to the Determination and Transforming Things to Serve the Country" Scientist Spiritual Education Base
05/27
1177
Professors Li Hui and Xu Xiang from the School of Civil Engineering of Harbin Institute of Technology have achieved important research results in the field of ceramic airgel insulation. The paper was published on the evening of June 29, Beijing time, as "Semi-crystalline ceramic
"Nature" of Harbin Institute of Technology: Important results have been achieved in the field of ceramic airgel insulation
05/27
1762
As summer approaches, ozone pollution occurs more frequently. Because it is not as easy to detect as PM2.5 and haze pollution, which affect visibility, it is often ignored by the public. To this end, Professor Hu Min’s team from the School of Environmental Science and Engineering
"Environmental Protection Science" What is ozone pollution?
05/28
1811
Hello, little Moores. During this period, little Moores have given feedback that they feel that the space atmosphere in the manor is not strong enough. Don’t worry, the construction of space does not happen overnight~ After the planning and construction of June Manor, new space c
Ram’s new course revealed, unlocking new ways to play in space
05/27
1940
Because I like flowers, I appreciate flowers. A kind of flower, when in full bloom, is as brilliant as fireworks, that is the flower of the fireworks tree. Fireworks tree, also known as Xingshuo Mountain Jasmine, is a small shrub of the genus Verbenaceae. It is native to the trop
Fireworks Tree, also known as Xingshuo Mountain Jasmine, its flowers are as bright and vibrant as fireworks when they are in full bloom.
05/27
1738
As of July 2, researchers from various countries have discovered a total of 85 genetic sequences of the BA.2.75 variant in international new coronavirus genome databases such as "GISAID". This variant first appeared in the genetic sequence from India in early June, and then quick
[Epidemic Prevention and Control] Be alert! It has appeared in many countries and spreads faster
05/27
1214
1. More people are kicked to death by donkeys than die from plane crashes every year. A total of 156 aircraft safety accidents occurred in 2021, with an incidence rate of 1.01 per million. In other words, on average, for every one million aircraft flights, only one aircraft will
Interesting trivia: Coke was green at first
05/27
1281
The acidic thickener has no cloud point and is a light yellow to amber viscous liquid. It is easily soluble in water and is a nonionic surfactant. When the anionic surfactant is acidic, the thickening effect is particularly obvious when combined with it. It can be used with Compa
What products are popular science acid thickeners in use? Their characteristics are:
05/28
1221
Relation Video
science Relation Video
Site video recommendation
science Latest News
Author | Chen Zhihan Source | Science and Technology Publicity Cultural Resource Library As the saying goes, "mentality determines age," and more and more studies have proven that this statement is true. The younger you feel, the faster you will recover from your illness. Recentl
Stop saying you are old! The younger you feel, the healthier you are, study says
05/29
1274
According to a report by U.S. News on July 4, new research shows that in the first year of the COVID-19 outbreak, the mortality rate of pregnant women or women who had just given birth increased sharply in the United States.
"World Talk" research: U.S. maternal mortality increased sharply in the first year of the epidemic, with blacks and Latinos experiencing even greater increases
05/29
1509
The topic "Zhong Xue Gao does not melt when left at room temperature of 31 degrees Celsius for one hour" has been a hot search topic recently. Netizens doubted that it contains too many additives and dare not eat it. On July 4, a Beijing News reporter purchased 4 ice cream and ic
Video丨Squirrel Food Appraisal: Is the ice cream not melting after being left for 1 hour? We did an experiment at room temperature
05/29
1855
Bill Nelson, Administrator of the National Aeronautics and Space Administration (NASA), wrote an article in the German newspaper Bild on July 2 with a shocking title - "NASA Boss Sounds the Alarm: The Chinese Want to Occupy the Moon", Bill Nelson declared in the article that "a n
Why did NASA Administrator Bill Nelson tell the media that "the Chinese want to occupy the moon"?
05/29
1822
Looking at the black bear rushing out in front of him, the old man's heart skipped a beat. Why was the black bear charging towards him? I saw a swarm of bees following behind the black bear. Upon seeing this, the old man immediately jumped into the pool next to him, and the black
An old man in Jilin rescued an injured Siberian tiger. When he went up the mountain the next day, he was attacked by a black bear. The tiger risked his life to save him.
05/29
1800
Recently, Hong Kong Weijian Pharmaceutical Group (hereinafter referred to as "Weijian Pharmaceutical") has donated 7 million yen for the second phase of the project to the Affiliated Hospital of the University of Tokyo School of Medicine. So far, Weijian Medicine has donated a to
Leading the way with innovation and fully promoting Weijian Pharmaceutical’s donation to the regenerative medicine/cell therapy project of Dongda Hospital
05/29
1431
Site Latest News
My bunion is not serious, and it is not hypocritical to want to have surgery. The deformed foot bones have compressed the nerves, and I dare not touch the ground when I walk. It is absolutely necessary, otherwise it will be no different from a "disability". The left foot is only
A 46-year-old Ms. Cao from Shandong Province, her toes "separated" on the third day after bunion surgery. The doctor said it was normal.
05/29
1058
Bone cancer is a malignant tumor that grows in bones and cartilage, with osteosarcoma having the highest incidence rate. Bone cancer is divided into two types, one is primary bone cancer, the cause of which is not very clear; the other is metastatic bone cancer, which is a tumor
Where does bone cancer usually appear in the body? 4 early manifestations, if detected early, the outcome may be different
05/29
1012
As we age, blood vessels gradually age, and lipids in the blood tend to deposit on the blood vessel walls, forming atherosclerotic plaques over time. When the plaques fall off, they can easily cause blood vessel blockage, leading to cardiovascular and cerebrovascular accidents. B
How do blood vessels become blocked day by day? When there are 8 "abnormalities" in your body, you should be careful
05/29
1891
"Food is the first necessity of the people", no matter what age group people are, they should eat well. This is especially true for middle-aged people. When people reach middle age, they have elders and younger children. The elderly need support, and the children are still waitin
Suggestion to middle-aged people: Don’t just worry about money. Eat these 3 foods when you should. They are all good things.
05/29
1514
On June 16, the Financial Work Bureau of Futian District issued "Several Measures of Shenzhen Futian District to Support the Development of the Financial Industry", "Several Policies of Shenzhen Futian District to Support the IPO Development of Enterprises" and "Shenzhen Futian D
You can get as low as 30% off on renting government properties! Futian District releases three major policies in the financial field
05/29
1628
Photographed by Wang Peng, China News Service, Aba, March 31. Title: Entering Mazang Village, Ruoergai County, Sichuan: The happy life of Qi Meizeren. The author Wang Peng is located in Ruoergai County, Aba Prefecture, Sichuan Province, at the junction of Sichuan, Gansu and Qingh
Entering Mazang Village in Ruoergai County, Sichuan: Qi Meizeren’s happy life
05/29
1842