Who needs batteries when you've got a hydrogen fuel cell

2024/04/1901:44:04 science 239181

Who needs batteries when you've got a hydrogen fuel cell - DayDayNews

Who needs batteries when you've got a hydrogen fuel cell - DayDayNews

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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

On July 5, the first event of the 2022 "Millions of Talents Revitalizing Chongqing" Doctoral Chongqing Week - Entering Dadukou Special Session was successfully held. The event invited 21 doctors to come to Chongqing for on-the-spot visits and experiential talent introduction, all - DayDayNews

On July 5, the first event of the 2022 "Millions of Talents Revitalizing Chongqing" Doctoral Chongqing Week - Entering Dadukou Special Session was successfully held. The event invited 21 doctors to come to Chongqing for on-the-spot visits and experiential talent introduction, all

The first event of the "Millions of Talents Revitalizing Chongqing" Doctoral Visiting Week in Chongqing kicks off, with 16 doctors "settling" in Chongqing

05/29 1944

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

The Fields Medal is an international mathematics award proposed by Canadian mathematician Fields. It is one of the highest international awards in the field of mathematics. Because the Nobel Prize does not include a mathematics prize, the Fields Medal is also known as the "Nobel - DayDayNews

The Fields Medal is an international mathematics award proposed by Canadian mathematician Fields. It is one of the highest international awards in the field of mathematics. Because the Nobel Prize does not include a mathematics prize, the Fields Medal is also known as the "Nobel

A woman in war-torn Ukraine won the Nobel Prize in mathematics, the second female winner in history

05/30 1904

The German Federal Ministry of Science and Technology wants to accelerate materials research and make it sustainable and relevant to industry. However, the success of technology leaps or market launches in government-funded projects depends largely on the choice of partners. A ne - DayDayNews

The German Federal Ministry of Science and Technology wants to accelerate materials research and make it sustainable and relevant to industry. However, the success of technology leaps or market launches in government-funded projects depends largely on the choice of partners. A ne

Germany's Federal Ministry of Science and Technology promotes materials development

05/30 1237

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

-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 - DayDayNews

-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?

05/31 1696

Many people think that their current location is "family room", "toilet", "neighborhood convenience store", "park bench", etc., but this is only understandable information in ordinary people's lives. In fact, humans are on the earth, and the earth rotates on its axis and revolves - DayDayNews

Many people think that their current location is "family room", "toilet", "neighborhood convenience store", "park bench", etc., but this is only understandable information in ordinary people's lives. In fact, humans are on the earth, and the earth rotates on its axis and revolves

Where are you in the vast universe?

05/30 1472

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 - DayDayNews

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

05/30 1107

As we grow older, we always seem to lose something. Many people who move from remote villages to metropolitan areas always lament that since arriving in the city, they can rarely see the bright Milky Way. Due to various reasons, we all seem to have lost the opportunity to "apprec - DayDayNews

As we grow older, we always seem to lose something. Many people who move from remote villages to metropolitan areas always lament that since arriving in the city, they can rarely see the bright Milky Way. Due to various reasons, we all seem to have lost the opportunity to "apprec

Why is it so hard for us to see the Milky Way now? In a hundred years, humans may not be able to see a single star

05/30 1754

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

Volcanoes are a common landform feature that give us the impression of danger, high temperature, and poison. Once we encounter a volcanic eruption at close range, our lives are likely to be in danger. This is relative to public perception, and is more based on the fact that the p - DayDayNews

Volcanoes are a common landform feature that give us the impression of danger, high temperature, and poison. Once we encounter a volcanic eruption at close range, our lives are likely to be in danger. This is relative to public perception, and is more based on the fact that the p

Do you think that you will definitely die if you fall into the volcanic lava? In fact, you are not.

06/01 1799

In the ocean of knowledge, your wisdom is just a grain of sand or a drop of water. All we have is a hungry heart, and we must constantly comfort it with knowledge. - DayDayNews

In the ocean of knowledge, your wisdom is just a grain of sand or a drop of water. All we have is a hungry heart, and we must constantly comfort it with knowledge.

Always stay hungry, keep learning, keep growing

06/01 1021

"The world's first glacier microbial database launched" led by China has published its research results in the journal "Nature Biotechnology". In this study, the Pan-Third Pole Environmental Center of Lanzhou University collaborated with the Institute of Tibetan Plateau Research - DayDayNews

"The world's first glacier microbial database launched" led by China has published its research results in the journal "Nature Biotechnology". In this study, the Pan-Third Pole Environmental Center of Lanzhou University collaborated with the Institute of Tibetan Plateau Research

Should humans be wary? Tibetan glaciers or nearly 1,000 unknown microorganisms are exposed, and the Tibetan Plateau has changed

06/01 1975

I have a friend, let’s call him Xiao Zhang. He has a wife who is pretty and treats him well. We are all envious of him. When he said he was going to study abroad, his wife said nothing. I support him, and his wife pays for him to go abroad. His wife saves money and gives him mone - DayDayNews

I have a friend, let’s call him Xiao Zhang. He has a wife who is pretty and treats him well. We are all envious of him. When he said he was going to study abroad, his wife said nothing. I support him, and his wife pays for him to go abroad. His wife saves money and gives him mone

His wife earned all the money he spent studying abroad, but when he returned from abroad to study science, he divorced his wife.

06/01 1875

Recently, Puze Village, Wujiepu Town, Luxi County, Honghe Prefecture held a bullfighting competition, a traditional folk activity. During the three-day bullfighting event, a total of 160 "cows" from Luxi, Shizong, Shilin and other places Players" compete. - DayDayNews

Recently, Puze Village, Wujiepu Town, Luxi County, Honghe Prefecture held a bullfighting competition, a traditional folk activity. During the three-day bullfighting event, a total of 160 "cows" from Luxi, Shizong, Shilin and other places Players" compete.

Keeps exciting! A "Bull King" competition from Luxi, Red River

06/01 1664

Has Ice Cream Assassin stung your wallet lately? Through investigation, it was found that most ice cream assassins have been stung by Zhong Xuegao brand products recently. I thought that domestic ice cream was not much more expensive, but I didn’t expect that it cost as little as

The suspected founder of Zhong Xuegao claimed that his competitors were smearing him, but his quality far exceeded the national standard, but he was accused of having too many additives.

06/01 1991

Recently, a large number of netizens have started "roasting" Zhong Xuegao. Through simple experiments, many netizens said that Zhong Xuegao not only failed to melt when exposed to water, but also failed to melt when burned, and even remained strong even when grilled with a spray - DayDayNews

Recently, a large number of netizens have started "roasting" Zhong Xuegao. Through simple experiments, many netizens said that Zhong Xuegao not only failed to melt when exposed to water, but also failed to melt when burned, and even remained strong even when grilled with a spray

Upstream Laboratory | Is Zhong Xuegao going to be burned? Personal test: fake

06/01 1929

In the prevention and control of the epidemic, we should not relax our self-protection and wash our hands frequently. Wear a mask and do not rely on the virus. Masks are an important means to block the spread of the new coronavirus and other respiratory infectious diseases. They - DayDayNews

In the prevention and control of the epidemic, we should not relax our self-protection and wash our hands frequently. Wear a mask and do not rely on the virus. Masks are an important means to block the spread of the new coronavirus and other respiratory infectious diseases. They

wear mask! wear mask! Keep wearing a mask!

06/01 1884

On July 6, the official website of the Guizhou Provincial Health Commission updated Guizhou Province’s health management measures for people coming to Guizhou from key areas. In order to accurately carry out the work of "preventing external imports and preventing internal rebound - DayDayNews

On July 6, the official website of the Guizhou Provincial Health Commission updated Guizhou Province’s health management measures for people coming to Guizhou from key areas. In order to accurately carry out the work of "preventing external imports and preventing internal rebound

Guizhou has just updated health management measures for people returning to Guizhou from high, medium and low-risk areas outside the province.

06/01 1170