Deep-sea mining: vital resource or environmental disaster? | Rethink

2024/05/1207:55:08 science 21287

Deep-sea mining: vital resource or environmental disaster? | Rethink - DayDayNews

Deep-sea mining: vital resource or environmental disaster? | Rethink - DayDayNews

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Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha - DayDayNews

Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha

Why doesn’t the water on the space station float out of the cup?

05/21 1507

Some time ago, the issue of electric earthworms aroused widespread attention and discussion among netizens. Electric earthworms use a machine similar to electric fish to insert two electrodes into the ground. After turning on the switch, the earthworms will automatically drill ou - DayDayNews

Some time ago, the issue of electric earthworms aroused widespread attention and discussion among netizens. Electric earthworms use a machine similar to electric fish to insert two electrodes into the ground. After turning on the switch, the earthworms will automatically drill ou

After earthworms, wild scorpions are also in crisis. Scorpion catchers are searching all over to find out how harmful they are.

05/21 1939

In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl - DayDayNews

In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl

Ethical Thoughts on the "Metaverse"

05/22 1778

To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s - DayDayNews

To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s

The speed of light reaches 300,000 kilometers per second. It is so fast, what is the power?

05/21 1927

At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea - DayDayNews

At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea

Be wary of wasted investments and prefer investing in technology platforms! Nucleic acid drug research and development is not hot enough

05/21 1581

New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely. - DayDayNews

New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely.

New research shows that some viral infections may make people more "mosquito-attractive"

05/22 1801

Not long ago, a lion with full bangs became a hot search topic. Do keepers give animals haircuts? What is the daily work of a breeder looking after ligers and other beasts, as well as animal cubs? Writer/Reporter Lu Bingxin Graphic Editor/Chen Yongjie New Media Editor/Lv Bingxin - DayDayNews

Not long ago, a lion with full bangs became a hot search topic. Do keepers give animals haircuts? What is the daily work of a breeder looking after ligers and other beasts, as well as animal cubs? Writer/Reporter Lu Bingxin Graphic Editor/Chen Yongjie New Media Editor/Lv Bingxin

Not a hairdresser but a "nanny", revealing the "magic job" of zoo keepers

05/21 1008

An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr - DayDayNews

An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr

"Space Observation" Bolivia's Tunupa volcano photographed by the International Space Station

05/21 1264

Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators. - DayDayNews

Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators.

"The Story of Invention" (74) - Italian physicist Volta invented the battery

05/21 1748

Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist. - DayDayNews

Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist.

There are only three in the world, and the Chinese are among them

05/21 1484

I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau - DayDayNews

I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau

Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.

05/23 1252

The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become - DayDayNews

The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become

Abnormal weather will occur in many places in 2022! Are Hawking's climate predictions credible? Analysis: Be wary of extremes

05/23 1774

Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion - DayDayNews

Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion

There is a gravitational source outside the orbit of Pluto. Scientists: It may be the legendary ninth planet

05/23 1449

When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world. - DayDayNews

When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world.

Snails are said to be the creatures with the most teeth in the world. So what are the uses of so many teeth?

05/23 1641

Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti - DayDayNews

Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti

Two main strategies for robot gait control

05/23 1358

The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w - DayDayNews

The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w

[Tongxinyu] The pearl is dazzling and the bauhinia is beautiful - Chinese scientist Sun Dawen writes an article to celebrate the 25th anniversary of Hong Kong's return to the motherland.

05/23 1190

In the eyes of many contemporary parents, whether their children can have a stable and decent job is definitely a very important issue. Precisely because more and more graduates are aware of this problem, it has become more difficult to take the public examination. - DayDayNews

In the eyes of many contemporary parents, whether their children can have a stable and decent job is definitely a very important issue. Precisely because more and more graduates are aware of this problem, it has become more difficult to take the public examination.

"Mom, I'm sorry for you." A girl failed the public examination due to political review. Her mother apologized with tears and regretted that it was too late.

05/23 1341

For many families, children are the center of the family. I believe the most common thing many parents say to their children is that we make money to support you. Is this really the case? - DayDayNews

For many families, children are the center of the family. I believe the most common thing many parents say to their children is that we make money to support you. Is this really the case?

The child committed suicide and left a suicide note: Mom, I’m sorry because I’m not good enough.

05/23 1557

One of the mothers said: She wrote a self-reflection letter to Dabao. Although her child had not graduated from kindergarten and could not read, she felt it was necessary to say sorry to her child, so everyone said what she had done wrong. , a place where I feel sorry for my chil - DayDayNews

One of the mothers said: She wrote a self-reflection letter to Dabao. Although her child had not graduated from kindergarten and could not read, she felt it was necessary to say sorry to her child, so everyone said what she had done wrong. , a place where I feel sorry for my chil

How many of the self-reflections written by the 34-year-old mother of two children to her children made you cry?

05/23 1868

The woman stood high on the chair, with one hand on her waist and the other pointed at me, with a look of hatred on her face: "How many times have I told you? You just don't listen. "You're so old and you can't do anything. What else can you do?" "The teacher came to see me again - DayDayNews

The woman stood high on the chair, with one hand on her waist and the other pointed at me, with a look of hatred on her face: "How many times have I told you? You just don't listen. "You're so old and you can't do anything. What else can you do?" "The teacher came to see me again

A mother’s self-report: Only after I “switched positions” with my child did I realize how uncomfortable it is to be “yelled at.”

05/23 1200

On June 30, J.D., the world’s leading consumer insight and market research organization. - DayDayNews

On June 30, J.D., the world’s leading consumer insight and market research organization.

J.D. Power released the list, GAC Trumpchi won the runner-up in self-owned brand sales satisfaction

05/23 1459

According to the Treaty of Maastricht, everyone holding citizenship of any EU member state is an EU citizen and can enjoy visa-free, residence, education, work and medical and other related benefits in EU member states. - DayDayNews

According to the Treaty of Maastricht, everyone holding citizenship of any EU member state is an EU citizen and can enjoy visa-free, residence, education, work and medical and other related benefits in EU member states.

Approval volume as high as 99%? It turns out there is another option for getting an EU passport

05/23 1486