How to Use a Fire Extinguisher Using the PASS Method

2024/04/2407:50:05 science 686946

How to Use a Fire Extinguisher Using the PASS Method - DayDayNews

How to Use a Fire Extinguisher Using the PASS Method - DayDayNews

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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. - DayDayNews

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?

05/30 1634

For our country’s scientific and technological innovation in the past seventy years, we should be most grateful to the United States. Although “crossing the river by touching the American emperor” is a joke, it also summarizes the general idea of our scientific and technologi - DayDayNews

For our country’s scientific and technological innovation in the past seventy years, we should be most grateful to the United States. Although “crossing the river by touching the American emperor” is a joke, it also summarizes the general idea of our scientific and technologi

When will there be another breakthrough in basic science? Where is our technological innovation going?

05/30 1506

Virology is primarily concerned with viruses that are pathogenic to humans or other species of which we are most concerned. During the novel coronavirus pneumonia epidemic, scientists have conducted a lot of research on SARS-CoV-2, the pathogen that causes infection. - DayDayNews

Virology is primarily concerned with viruses that are pathogenic to humans or other species of which we are most concerned. During the novel coronavirus pneumonia epidemic, scientists have conducted a lot of research on SARS-CoV-2, the pathogen that causes infection.

Research on new viruses and new hosts will vigorously promote the development of virology

05/30 1627

In the above-mentioned vision of high-tech warfare, lasers are mentioned many times. This is definitely not a bizarre myth. It not only plays a huge role in production, medicine, scientific experiments and other fields, but also greatly promotes the development of military techno - DayDayNews

In the above-mentioned vision of high-tech warfare, lasers are mentioned many times. This is definitely not a bizarre myth. It not only plays a huge role in production, medicine, scientific experiments and other fields, but also greatly promotes the development of military techno

Which country has military control over space that actually controls the world?

05/31 1228

According to reports, China's import dependence on high-end scientific instruments ranks in the top three along with chips and oil, with the import dependence reaching 90%, which is higher than chips and oil. At a time when China's scientific research is advancing to the high end - DayDayNews

According to reports, China's import dependence on high-end scientific instruments ranks in the top three along with chips and oil, with the import dependence reaching 90%, which is higher than chips and oil. At a time when China's scientific research is advancing to the high end

The road to breakthrough for China’s high-end scientific instruments

05/31 1696

July 1, 2022 Summer in Alaska has always been described as short and mild. In the early summer of 2022, the prominent word is smoke. In multiple scenes in June and early July, the Visible Imaging Infrared Radiometer Suite (VIIRS) satellite on the NASA-NOAA National Polar Orbiting - DayDayNews

July 1, 2022 Summer in Alaska has always been described as short and mild. In the early summer of 2022, the prominent word is smoke. In multiple scenes in June and early July, the Visible Imaging Infrared Radiometer Suite (VIIRS) satellite on the NASA-NOAA National Polar Orbiting

"Space Observation" Alaska's Smoky Summer

05/31 1177

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. - DayDayNews

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

05/30 1778

Text | Science Wormhole Winter in the Arctic is very cold. The average temperature in January is between minus 40°C and 0°C, and some areas can reach minus 50°C in winter. In such a cold Arctic Circle, there are some people who have settled for generations. They are the Inuit. - DayDayNews

Text | Science Wormhole Winter in the Arctic is very cold. The average temperature in January is between minus 40°C and 0°C, and some areas can reach minus 50°C in winter. In such a cold Arctic Circle, there are some people who have settled for generations. They are the Inuit.

Minus 50℃! Is it really not cold when Inuit people live in igloos? If you light a fire in the house, will the snow melt?

05/30 1492

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". - DayDayNews

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?

05/30 1246

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. - DayDayNews

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

05/30 1628

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 - DayDayNews

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"

06/01 1299

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. - DayDayNews

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

06/01 1843

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 - DayDayNews

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

06/01 1109

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. - DayDayNews

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”

06/01 1646

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 - DayDayNews

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.

06/01 1214

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 - DayDayNews

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?

06/01 1334

Whenever an ancient artifact is discovered, it is always reported on the news. This is a very gratifying thing for the historical excavation of our country. Archaeologists can also use these cultural relics to analyze how our ancestors lived thousands of years ago. But during arc - DayDayNews

Whenever an ancient artifact is discovered, it is always reported on the news. This is a very gratifying thing for the historical excavation of our country. Archaeologists can also use these cultural relics to analyze how our ancestors lived thousands of years ago. But during arc

Why are archaeologists afraid of finding eggs? What harm can a tiny egg do?

06/01 1224

Hua Weng was a good archer, but he did not hunt birds and beasts easily. Instead, he carried an ox-horn bow and herded sheep. His family has more than 1,000 sheep, and he has become a well-known rich man by raising sheep. Hua Weng was good at shooting, and wolves and eagles did n - DayDayNews

Hua Weng was a good archer, but he did not hunt birds and beasts easily. Instead, he carried an ox-horn bow and herded sheep. His family has more than 1,000 sheep, and he has become a well-known rich man by raising sheep. Hua Weng was good at shooting, and wolves and eagles did n

Hu Chuanhu: Broken Fingers in Han Dynasty (Short Novel)

06/01 1073

The vastness of China, the long history and accumulation of Chinese history, it is difficult to keep pace with it if you look at the entire world. Taking the four major ancient civilizations in the world as an example, ancient Egypt and ancient India later became colonies of othe - DayDayNews

The vastness of China, the long history and accumulation of Chinese history, it is difficult to keep pace with it if you look at the entire world. Taking the four major ancient civilizations in the world as an example, ancient Egypt and ancient India later became colonies of othe

In 2018, a major tomb robbery case was solved in Qinghai, and the secret of the "nine-story demon tower" was unexpectedly revealed.

06/01 1960

Housing has always been a major event in our lives. Whether it is in rural areas or commercial housing construction, before starting construction, a respected master will be asked to help look at the Feng Shui issues such as location, orientation, furniture and furnishings, etc. - DayDayNews

Housing has always been a major event in our lives. Whether it is in rural areas or commercial housing construction, before starting construction, a respected master will be asked to help look at the Feng Shui issues such as location, orientation, furniture and furnishings, etc.

"Don't have three legs in your house. It's difficult to get rich if you have troubles." What exactly does "three legs" refer to?

06/01 1875

This Douyin video is so cute. It’s this clip that makes everyone think she must be a 20-year-old young girl. She wants to be praised like Melody for taking good care of herself. No matter how she looks, she looks like a female college student. Here are her 5 tricks to "hid her ag - DayDayNews

This Douyin video is so cute. It’s this clip that makes everyone think she must be a 20-year-old young girl. She wants to be praised like Melody for taking good care of herself. No matter how she looks, she looks like a female college student. Here are her 5 tricks to "hid her ag

Fashionable mommy Melody’s super age-defying outfits! These 5 tips will teach you how to dress with a girlish look

06/01 1543

Women are only lazy, not ugly! Make up your mind to start changing, and everyone has the opportunity to lose weight like a lightning bolt! The following is her must-lose weight loss menu for breakfast: sweet potato + black coffee + fruit for lunch, dinner: one portion of starch, - DayDayNews

Women are only lazy, not ugly! Make up your mind to start changing, and everyone has the opportunity to lose weight like a lightning bolt! The following is her must-lose weight loss menu for breakfast: sweet potato + black coffee + fruit for lunch, dinner: one portion of starch,

Fashion Mommy Melody women are only lazy, not ugly! Everyone has the opportunity to lose weight and become a lightning bolt

06/01 1882