Tunguska: When the Sky Fell to Earth

2024/04/3015:17:05 science 2956872

Tunguska: When the Sky Fell to Earth - DayDayNews

Tunguska: When the Sky Fell to Earth - 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

On January 3, Ningling County, Shangqiu City, Henan Province held in-depth consultations with the Chinese Academy of Sciences on the degradable plastic project and discussed? The 300,000-ton PBAT project was launched in Ningling and a consensus on cooperation was reached. Yang Gu - DayDayNews

On January 3, Ningling County, Shangqiu City, Henan Province held in-depth consultations with the Chinese Academy of Sciences on the degradable plastic project and discussed? The 300,000-ton PBAT project was launched in Ningling and a consensus on cooperation was reached. Yang Gu

The Chinese Academy of Sciences’ 300,000-ton/year PBAT project plans to launch in “Kronville”

05/31 1934

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. - DayDayNews

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

05/30 1650

Recently, the 37th Shanghai Youth Science and Technology Innovation Competition held its final review to select the award-winning projects in each section of this competition, the projects promoted by the Shanghai region for the 36th National Youth Science and Technology Innovati - DayDayNews

Recently, the 37th Shanghai Youth Science and Technology Innovation Competition held its final review to select the award-winning projects in each section of this competition, the projects promoted by the Shanghai region for the 36th National Youth Science and Technology Innovati

First prize in municipal competition! Let’s take a look at the story of this innovative young man from Jinshan

05/31 1598

Probably because it is backed by stars and sea, astronomy can always stir up the mysterious romance of the universe. In the summer of 2021, a video on CCTV received 280,000 likes and became a hot search. The protagonists of the "cosmic romance" in the video are two college studen - DayDayNews

Probably because it is backed by stars and sea, astronomy can always stir up the mysterious romance of the universe. In the summer of 2021, a video on CCTV received 280,000 likes and became a hot search. The protagonists of the "cosmic romance" in the video are two college studen

In the solar system 200 million kilometers away from the earth, there is an asteroid named after this young man from Suzhou!

05/30 1098

On a clear night, when we look up at the stars, we find that the night is inlaid with countless stars. We can't help but be attracted by the twinkling stars in the sky. The dense starlight is so beautiful. Most of the shining stars we see are stars in the Milky Way, as well as so - DayDayNews

On a clear night, when we look up at the stars, we find that the night is inlaid with countless stars. We can't help but be attracted by the twinkling stars in the sky. The dense starlight is so beautiful. Most of the shining stars we see are stars in the Milky Way, as well as so

In 1994, a comet collided violently with Jupiter, with a force equivalent to the simultaneous explosion of 2 billion atomic bombs.

05/30 1997

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

The device is mainly used to construct the three-dimensional stress environment of rock samples under formation conditions. It uses real fracturing materials and fracturing processes to conduct fracturing simulation experiments. Its technology is leading and can simulate in-situ - DayDayNews

The device is mainly used to construct the three-dimensional stress environment of rock samples under formation conditions. It uses real fracturing materials and fracturing processes to conduct fracturing simulation experiments. Its technology is leading and can simulate in-situ

[Industrial Development] A 10,000-ton ultra-large hydraulic fracturing simulation experimental device was “born” in our city

05/30 1032

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

Cheng Yuqi, a famous geologist, science and technology management expert, one of the pioneers of modern geological research in my country, and the main founder of my country's metamorphic rock science and Precambrian geology. - DayDayNews

Cheng Yuqi, a famous geologist, science and technology management expert, one of the pioneers of modern geological research in my country, and the main founder of my country's metamorphic rock science and Precambrian geology.

Science and Life丨Academician Cheng Yuqi: Geological road, laying foundation and pioneering

05/31 1744

Also known as Perry David's Owl, a large owl without ear feathers. Females are always much larger than males, although no weight is available. The crown and upper feathers are very brown, with light or white stripes and spots, which are particularly prominent on the nape and mant - DayDayNews

Also known as Perry David's Owl, a large owl without ear feathers. Females are always much larger than males, although no weight is available. The crown and upper feathers are very brown, with light or white stripes and spots, which are particularly prominent on the nape and mant

Encyclopedia of Owls in the World (Wood Owl)

06/02 1876

A study published by Columbia University researchers in the journal Nature on the 5th showed that the latest Omicron subtypes, such as BA.4 and BA.5, which have caused a surge in new infections around the world, are more likely to evade vaccines than previous variants. and most a - DayDayNews

A study published by Columbia University researchers in the journal Nature on the 5th showed that the latest Omicron subtypes, such as BA.4 and BA.5, which have caused a surge in new infections around the world, are more likely to evade vaccines than previous variants. and most a

Omicron subtypes more likely to evade vaccines, treatments

06/02 1268

The results showed that 225 exometabolites were identified from the spent culture medium of a single partner. Among these products, N. muscorum UTEX 1037 consumed 53% of S. angustifolium exometabolites and S. angustifolium consumed N. muscorum UTEX. 28% of 1037 external metabolit - DayDayNews

The results showed that 225 exometabolites were identified from the spent culture medium of a single partner. Among these products, N. muscorum UTEX 1037 consumed 53% of S. angustifolium exometabolites and S. angustifolium consumed N. muscorum UTEX. 28% of 1037 external metabolit

ISME Journal (IF 11.217) | Spatial metabolomics facilitates research on plant-cyanobacterial symbiotic relationships

06/02 1888

Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule. - DayDayNews

Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule.

Zuckerberg invested hundreds of millions! A molecule called "SCUBE3" can effectively stimulate hair growth

06/01 1674

In addition to the electric vehicles, 5G communications, and rail transit that we are in daily contact with, silicon carbide wafers have broad application prospects in key fields such as national defense and aerospace. Due to their irreplaceable advantages, they are regarded as t - DayDayNews

In addition to the electric vehicles, 5G communications, and rail transit that we are in daily contact with, silicon carbide wafers have broad application prospects in key fields such as national defense and aerospace. Due to their irreplaceable advantages, they are regarded as t

Cheers to you: Break the technology monopoly! China's independently developed silicon carbide wafers have achieved domestic substitution

06/01 1671

Worlds, full of wonders. In 1970, an old woman named Yu Yuzhen picked up a strange butterfly on the way back to her parents' home. She gave the butterfly to her brother. Incredibly, three years later, the butterfly was sold To 1.27 million! It's really a joy that comes from heave - DayDayNews

Worlds, full of wonders. In 1970, an old woman named Yu Yuzhen picked up a strange butterfly on the way back to her parents' home. She gave the butterfly to her brother. Incredibly, three years later, the butterfly was sold To 1.27 million! It's really a joy that comes from heave

In 1970, a peasant woman picked up a strange butterfly on the roadside. Three years later, the price soared to 1.27 million.

06/01 1779

On July 6, Beijing time, the Malaysian Badminton Masters continued. The first round of the women’s singles ushered in a focus battle. He Bingjiao faced off against Sindhu. This was a battle between the two world champions. He Bingjiao is the 2021 The Uber Cup Badminton Team World - DayDayNews

On July 6, Beijing time, the Malaysian Badminton Masters continued. The first round of the women’s singles ushered in a focus battle. He Bingjiao faced off against Sindhu. This was a battle between the two world champions. He Bingjiao is the 2021 The Uber Cup Badminton Team World

Rare crash! The national badminton world champion was beaten 10-0 in the decisive game and lost to the world No. 7 1-2 in three hard-fought games.

06/02 1649

Bellanova has also officially announced it. Congratulations to Inter Milan for welcoming another strong player. When the Italian media broke the news that Inter Milan was going to make a profit of 60 million euros from selling people, many die-hard fans were very excited and expr - DayDayNews

Bellanova has also officially announced it. Congratulations to Inter Milan for welcoming another strong player. When the Italian media broke the news that Inter Milan was going to make a profit of 60 million euros from selling people, many die-hard fans were very excited and expr

-Is the starting price of 60 million true or false? Inter Milan plans to sign three more strong players to upgrade the lineup and aim for the championship

06/02 1846

In the World Women's Volleyball League that has ended, the Chinese Women's Volleyball Team ranked fourth with a record of 8 wins and 4 losses in 12 games. For the Chinese team, which lacks the two main players Zhu Ting and Zhang Changning and has mostly newcomers, this result is - DayDayNews

In the World Women's Volleyball League that has ended, the Chinese Women's Volleyball Team ranked fourth with a record of 8 wins and 4 losses in 12 games. For the Chinese team, which lacks the two main players Zhu Ting and Zhang Changning and has mostly newcomers, this result is

Two major questions in the Chinese Women's Volleyball World League: Why does the starting lineup remain unchanged? Why does Li Shan keep following the team?

06/02 1080

When making leek flower sauce, only salt is added. Remember to add one more to make the flavor more fragrant and not easy to spoil after being stored for a long time. Every July, it’s time to eat leek flowers again. During this time, they are available in the vegetable market her - DayDayNews

When making leek flower sauce, only salt is added. Remember to add one more to make the flavor more fragrant and not easy to spoil after being stored for a long time. Every July, it’s time to eat leek flowers again. During this time, they are available in the vegetable market her

When making leek flower sauce, only adding salt is a no-brainer. Remember to add one more to make the flavor more fragrant and not easy to spoil after being stored for a long time.

06/02 1178

Recently, many fishing friends have asked why I haven’t published recipes for homemade nest materials and baits. In fact, I have published a lot of my own formulas before, and fishing friends said they have good results. Recently, there have not been many new nest materials devel - DayDayNews

Recently, many fishing friends have asked why I haven’t published recipes for homemade nest materials and baits. In fact, I have published a lot of my own formulas before, and fishing friends said they have good results. Recently, there have not been many new nest materials devel

Three hot weather fishing nest material formulas, effective and cheap, easy to catch big fish

06/02 1926

Yancheng, Jiangsu Province is a coastal city with convenient sea, land and air transportation and rich products. Many specialties here are related to river seafood, such as braised mullet, crab roe buns, four-gill seabass, etc. Yancheng cuisine pays attention to details and detai - DayDayNews

Yancheng, Jiangsu Province is a coastal city with convenient sea, land and air transportation and rich products. Many specialties here are related to river seafood, such as braised mullet, crab roe buns, four-gill seabass, etc. Yancheng cuisine pays attention to details and detai

A family of two in a third-tier city in Jiangsu can live on less than 2,000 yuan a day. Is it expensive?

06/02 1072