Soil Testing: How to Collect Soil Samples at Home

2024/05/0311:20:05 science 50804

Soil Testing: How to Collect Soil Samples at Home - DayDayNews

Soil Testing: How to Collect Soil Samples at Home - DayDayNews

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By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at - DayDayNews

By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at

Scientists create simple filter material with tunable wavelength transmission

05/15 1118

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea - DayDayNews

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea

What would happen if a nuclear bomb was detonated at the deepest point on earth?

05/15 1828

The crane stretches its neck and legs in flight, with a graceful and smooth posture. Cranes are excellent high-altitude fliers. Gray cranes (pictured) fly at altitudes of more than 9,000 meters as they migrate across the Himalayas - equivalent to the altitude of a jetliner. Crane - DayDayNews

The crane stretches its neck and legs in flight, with a graceful and smooth posture. Cranes are excellent high-altitude fliers. Gray cranes (pictured) fly at altitudes of more than 9,000 meters as they migrate across the Himalayas - equivalent to the altitude of a jetliner. Crane

Red-crowned cranes, whooping cranes and other cranes are slowly becoming endangered wild animals...

05/16 1177

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it - DayDayNews

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it

Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do

05/16 1288

A few days ago, the Event Horizon Telescope (EHT) collaboration held simultaneous press conferences in various places around the world, including Shanghai, to show the public the first photo of the supermassive black hole at the center of the Milky Way. Similar to the first black - DayDayNews

A few days ago, the Event Horizon Telescope (EHT) collaboration held simultaneous press conferences in various places around the world, including Shanghai, to show the public the first photo of the supermassive black hole at the center of the Milky Way. Similar to the first black

It took 5 years of "photography" and "development", but the imaging process of the first photo of the black hole in the center of the Milky Way was so difficult

05/16 1953

1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the - DayDayNews

1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the

Feiben Classroom - Star Beetle

05/16 1952

The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress. - DayDayNews

The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress.

Maybe there is a code for love hidden in human genes itself

05/15 1706

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata - DayDayNews

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata

Scientists synthesize new antibacterial platinum compound

05/16 1563

The first people to believe in some form of spontaneous generation were hundreds of years ago. In the 17th century, a number of respected figures in science, such as Francis Bacon and William Harvey, accepted this theory. However, in the 19th century, Louis Pasteur and other scie - DayDayNews

The first people to believe in some form of spontaneous generation were hundreds of years ago. In the 17th century, a number of respected figures in science, such as Francis Bacon and William Harvey, accepted this theory. However, in the 19th century, Louis Pasteur and other scie

Wonderful life - 2. Can life happen by chance (Part 1)

05/15 1420

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show - DayDayNews

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show

Can the "Scientific Power" health bracelet detect the new coronavirus? Is this reliable?

05/16 1718

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in - DayDayNews

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in

What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?

05/18 1428

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na - DayDayNews

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na

An insect pocket book that brings you closer to nature

05/18 1720

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi - DayDayNews

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi

Could it be said that humans more than 12,000 years ago really existed?

05/18 1065

@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag - DayDayNews

@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag

Seven exotic species, one relies on breeding and one is prohibitive

05/18 1704

When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock - DayDayNews

When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock

Don’t step on cockroaches in your home! How to control cockroaches that are still alive even though their heads are severed?

05/18 1074

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a - DayDayNews

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a

Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world

05/18 1059

From the animation production point of view, "Lycoris Reoil" is a big deal this time. A1, Kusanagi, and Shigami Clover Works are animation production companies that we are very familiar with. - DayDayNews

From the animation production point of view, "Lycoris Reoil" is a big deal this time. A1, Kusanagi, and Shigami Clover Works are animation production companies that we are very familiar with.

The new show "Lycoris Recoil" in July is a real daily and fake battle show? It's enough to have stickers

05/18 1677

Hubei Daily (Reporter Liu Hanze, Correspondents Yu Ling, Wei Jiafeng) Recently, the golden-collared swallowtail butterfly, a national second-level protected animal known as the "most beautiful butterfly", appeared in Shennongjia. This is the first time that this kind of butterfly - DayDayNews

Hubei Daily (Reporter Liu Hanze, Correspondents Yu Ling, Wei Jiafeng) Recently, the golden-collared swallowtail butterfly, a national second-level protected animal known as the "most beautiful butterfly", appeared in Shennongjia. This is the first time that this kind of butterfly

"The most beautiful butterfly" appears in Shennongjia

05/18 1848

On December 15, some media reported that Qiu Ze responded to the flash marriage in an interview. He said with a smile that he felt very happy when someone could eat with him every day, so he wanted to get married. - DayDayNews

On December 15, some media reported that Qiu Ze responded to the flash marriage in an interview. He said with a smile that he felt very happy when someone could eat with him every day, so he wanted to get married.

40-year-old Qiu Zeshou responded to his flash marriage to Tiffany Hsu, giving his wife a 4 million wedding ring, and also revealed that he was planning a wedding

05/18 1103

She is also a Teddy, younger than mine. Her owner is a woman in her forties. She looks at my Hanamaki with warm eyes. When she is eager to confess her love, her voice is soft and a bit sweet like glutinous rice dumplings. - DayDayNews

She is also a Teddy, younger than mine. Her owner is a woman in her forties. She looks at my Hanamaki with warm eyes. When she is eager to confess her love, her voice is soft and a bit sweet like glutinous rice dumplings.

My Hanamaki is a star

05/18 1882

Raising a cat is really a happy and healing thing, and now more and more people are raising cats. After many people bring a cat home, the first thing they do is to give the cat a name to facilitate future communication. However, there are many things to pay attention to when nami - DayDayNews

Raising a cat is really a happy and healing thing, and now more and more people are raising cats. After many people bring a cat home, the first thing they do is to give the cat a name to facilitate future communication. However, there are many things to pay attention to when nami

There are many things to pay attention to when naming cats. Avoid these 6 "taboos" and don't take them seriously.

05/18 1054

There are many breeds of dogs, but some ferocious big dogs are rarely kept by people and are mainly included in the list of prohibited dogs. But in some rural areas and small cities, they are not so strict, so some big dogs are also raised by people. 6 types of dogs that are pron - DayDayNews

There are many breeds of dogs, but some ferocious big dogs are rarely kept by people and are mainly included in the list of prohibited dogs. But in some rural areas and small cities, they are not so strict, so some big dogs are also raised by people. 6 types of dogs that are pron

6 types of dogs that are prone to jumping and biting. They are highly aggressive. If you see them, it’s best to avoid them.

05/18 1598