2:06
How Long Does It Take Light To Travel From The Earth to The Sun? | Planet Comparison
Recommended
science
Researchers such as Jiang Hao from the University of Virginia School of Medicine discovered that a tumor suppressor gene that is frequently mutated in a variety of tumors can function through liquid-liquid phase separation (1). The protein encoded by this gene is UTX.
Nature | Tumor suppressor genes can function through liquid-liquid phase separation
science
Manufacturing simulation of an unconventionally reinforced aircraft fuselage during automated fiber placement (Source: IFW) The results of biomimetic observations, topology optimization or feasibility in manufacturing do not always end up with the same geometry - in fact, Very fe
OptiFee-Optimization of aircraft fuselage enhancement layout
science
Recently, CBS broke a piece of shocking news: a photo that may be an "alien shiti". It is said that this photo is related to the original "Roswell Alien Incident".
75 years later, the media found new evidence of the "Roswell UFO incident". Do aliens really exist?
science
Before this, we all know that our country has the largest rare earth reserves in the world, about 44 million tons, followed by Mongolia with about 31 million tons, and Brazil with 2,200 tons. Thousands of tons of rare earths are called industrial gold.
Türkiye claims that it has discovered the world's largest rare earth resources, which can be used for thousands of years. What impact will it have on China?
science
Did you know that the human brain is the most sophisticated and important organ in the world. It is composed of 200 billion brain cells, can store 100 billion pieces of information, generates thoughts that travel more than 300 miles per hour, has more than 100 megabytes of interl
Intellectual training 365 questions
science
Researchers such as Roger Geiger from the University of Ticino in Switzerland creatively modified a strain of Escherichia coli to adjust the tumor microenvironment and enhance the effect of immunotherapy.
Nature | Modifying bacteria to adjust the tumor microenvironment and enhance the effect of immunotherapy
science
"Golden Heart Double Color" Bougainvillea Petunia "Guangzhou No. 1". The flowers are huge, with a diameter of up to 10 centimeters, one-third larger than ordinary petunias. It is especially suitable for the hot and humid weather in Guangzhou, and is suitable for various planting
How many of these new varieties do you know?
science
This animated image confirms the location of the newly formed rocket body's twin craters. The first half is a view taken by the Lunar Reconnaissance Orbiter on February 28, 2022 (M1400727806L); the second half is from May 21, 2022 (M1407760984R). The width shown in the picture is
A mysterious rocket of unknown origin created two craters on the moon.
science
Denise Kühnert and other researchers from the Max Planck Institute in Germany extracted hepatitis B virus sequences from 137 early human samples located in western Eurasia and the Americas from about 400 to 10,500 years ago and analyzed their evolution.
Science | The evolution of hepatitis B virus over the past ten thousand years
science
-196°C, which is a temperature that makes people feel very strange, and this number is the liquid nitrogen temperature at which umbilical cord blood hematopoietic stem cells are safely stored. So, why should umbilical cord blood be stored at this temperature? Can the quality and
Can the quality and quantity of umbilical cord blood stored in liquid nitrogen at -196°C be maintained?
Relation Video
science Relation Video
Site video recommendation
science Latest News
science
The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden
Meteorological service records of "life forbidden zone"
science
A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus.
Scientists propose potential AIDS treatment: HIV may be defeated with a single injection
science
Shape memory polymers have broad application prospects in biomedical and mechanical engineering. However, most shape memory polymer programming processes require heating, such as water baths and oil baths. However, this environmental indirect heating method has limited heating ra
Jilin University and Huazhong University of Science and Technology joint research-shape memory polymer co-extrusion 4D printing strategy
science
Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity.
Technology Frontier | Israel’s innovative ACC technology opens a new era of “space settlement”
science
In mid-to-late June, a professional monitoring found that Chinese horseshoe crabs were found all over the coastal tidal flats of the Hepu Dugong National Nature Reserve in Guangxi. The maximum density per unit quadrat was as high as 53.1 birds/100 square meters, ranking first in
With a density of 53.1 horseshoe crabs per 100 square meters, the density of horseshoe crabs in Guangxi ranks first in the country.
science
There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear
How is the direction of biological evolution determined?
Site Latest News
science
The Philippines is a maritime neighbor of China and is very close to China. There is no time difference and it is shorter than many domestic flight routes. Therefore, in recent years, more and more Chinese people have gone to the Philippines for sightseeing, investment inspection
I regret not knowing sooner! A US$20,000 green card from another country is so easy to use
science
What are the ways for foreigners to settle in China?
What are the ways for foreigners to settle in China?
science
Today is my 14th day of copying books in Toutiao. What I am copying is Chapter 13 of "Meeting the Unknown Self": Looking back on childhood memories—our physical obstacles. When we are still fertilized eggs, we are just a conscious existence, and then enter into small cells, and s
Day 14 of copying books, looking back at childhood memories - our physical obstacles
science
A friend recently said that she was really tired and could not fall asleep until after one o'clock every night. Anxiety from all aspects caused a series of chain reactions, causing her to lose hair, suffer from insomnia, and become irritable. In fact, she is not the only one like
Are you going to get mad at every little thing? Irritability is a disease, 6 ways to calm down
science
After five days of busy work, inviting three or five friends to go on a self-driving trip away from the hustle and bustle of the city has gradually become a popular way to relieve stress. Of course, "If you want to do your job well, you must first sharpen your tools." The prerequ
Is the "large flat-floor leisure" Valli worth buying? The starting price is less than RMB 80,000. Compare it with the Volkswagen Lavida.
science
However, the most intuitive feeling for many people is that station wagons are "expensive". Isn't there a cheap station wagon? In fact, it is not. The following three models are the best proof.
Big and comfortable, and most importantly, it can be loaded. 3 niche but exquisite station wagons, starting from less than 80,000