Collapse of the Ancient Maya Civilisation: Aligning History with Geological Analysis

2024/05/2517:51:05 science 2911

Collapse of the Ancient Maya Civilisation: Aligning History with Geological Analysis - DayDayNews

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The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr - DayDayNews

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr

Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?

06/09 1513

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int - DayDayNews

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int

"Quest Files" Unsolved Mysteries of the World - The Black-Headed Man from the East 2

06/10 1017

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca. - DayDayNews

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.

Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction

06/10 1171

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true? - DayDayNews

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true?

The "blood-sucking blanket" in the Xishuangbanna River drags animals into the water and eats them. What kind of animal is it?

06/10 1236

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th - DayDayNews

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th

Why is it said that it rained for millions of years before the earth finally had an ocean?

06/09 1008

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1). - DayDayNews

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1).

Cell | Open state myocardial sodium channel structure

06/09 1285

It might be tempting to use a cup with a green “Plant-Based” label for a cup of coffee, or see that the plastic utensils in your takeout are “100% compostable.” Some comfort. So could a plastic made from plants rather than petroleum actually melt harmlessly in the environment? - DayDayNews

It might be tempting to use a cup with a green “Plant-Based” label for a cup of coffee, or see that the plastic utensils in your takeout are “100% compostable.” Some comfort. So could a plastic made from plants rather than petroleum actually melt harmlessly in the environment?

"Science" Have you ever used environmentally friendly plastics made from plants?

06/10 1657

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing. - DayDayNews

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.

From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life

06/10 1909

Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other - DayDayNews

Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other

Japanese scientists develop new carbon capture system that can quickly and directly capture low-concentration carbon dioxide

06/09 1986

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t - DayDayNews

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t

A major turning point for mankind will occur: all problems will no longer be a problem

06/09 1687

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l - DayDayNews

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l

Intelligent slime mold

06/11 1668

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio - DayDayNews

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio

Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.

06/11 1169

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S. - DayDayNews

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.

Water was discovered in ancient galaxies, which surprised astronomers. What happened?

06/11 1154

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th - DayDayNews

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th

Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level

06/11 1511

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality. - DayDayNews

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.

Introduction to applicable industries of mycotoxin detectors

06/11 1040

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can - DayDayNews

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can

Instructions for using online residual chlorine analyzer

06/11 1125

"Three Thousand Crows", which was released in March, can be sadistic or sweet. The sadomasochism of ten lifetimes has made us shed countless tears. In "The Rumored Chen Qianqian", which aired in mid-May, the main heroine went against the grain and became famous. Not only did the - DayDayNews

"Three Thousand Crows", which was released in March, can be sadistic or sweet. The sadomasochism of ten lifetimes has made us shed countless tears. In "The Rumored Chen Qianqian", which aired in mid-May, the main heroine went against the grain and became famous. Not only did the

Zhao Lusi's new drama is now on the air, and it is the most popular on the entire network. I watched 8 episodes of this simple sweet drama in a row.

06/17 1713

Hsinchu Mayor Lin Zhijian of the Democratic Progressive Party resigned and became mayor of Taoyuan, but it was revealed that two master's degree theses from the Institute of Science and Management of Chung Hwa University in 2008 and the National Development Institute of National - DayDayNews

Hsinchu Mayor Lin Zhijian of the Democratic Progressive Party resigned and became mayor of Taoyuan, but it was revealed that two master's degree theses from the Institute of Science and Management of Chung Hwa University in 2008 and the National Development Institute of National

There is no protection from Tsai Ing-wen! Lin Zhijian’s essay was surrounded and suppressed by five parties, and it was difficult for the DPP to escape

06/17 1761

According to Taiwan's "China Times", the Democratic Progressive Party's Taoyuan mayoral candidate and Hsinchu Mayor Lin Zhijian's essay storm is still spreading. The Chinese Kuomintang's Taoyuan mayoral candidate Zhang Shanzheng lifted the quarantine on the 7th and abided by inde - DayDayNews

According to Taiwan's "China Times", the Democratic Progressive Party's Taoyuan mayoral candidate and Hsinchu Mayor Lin Zhijian's essay storm is still spreading. The Chinese Kuomintang's Taoyuan mayoral candidate Zhang Shanzheng lifted the quarantine on the 7th and abided by inde

The Taoyuan mayoral election is in full swing! Zhang Shanzheng borrows generals from Luo Zhiqiang for the second time, Lin Zhijian officially resigns as Hsinchu mayor

06/17 1970

The master's thesis of Hsinchu Mayor Lin Zhijian from the Democratic Progressive Party was involved in a suspected plagiarism scandal. Chen Mingtong, his supervisor at the time, pointed out in a statement that it was another classmate Yu Zhenghuang who used Lin Zhijian's informat - DayDayNews

The master's thesis of Hsinchu Mayor Lin Zhijian from the Democratic Progressive Party was involved in a suspected plagiarism scandal. Chen Mingtong, his supervisor at the time, pointed out in a statement that it was another classmate Yu Zhenghuang who used Lin Zhijian's informat

Taiwan’s intelligence chief Chen Mingtong defends Lin Zhijian, National Taiwan University scholar chokes: He still has the nerve to speak out

06/17 1191

Taipei City Councilor Wang Hongwei of the Chinese Kuomintang recently held a press conference to accuse DPP Taoyuan mayoral candidate and Hsinchu Mayor Lin Zhijian of suspected plagiarism in his paper, which shocked all walks of life on the island. - DayDayNews

Taipei City Councilor Wang Hongwei of the Chinese Kuomintang recently held a press conference to accuse DPP Taoyuan mayoral candidate and Hsinchu Mayor Lin Zhijian of suspected plagiarism in his paper, which shocked all walks of life on the island.

Wang Hongwei hit back: She countersued Lin Zhijian for making false accusations and violating the "Copyright Law", and even sued the teacher

06/17 1654

Source: China Jingwei Net Democratic Progressive Party Taoyuan mayor candidate Lin Zhijian changed his household registration on the 12th and settled in Zhongli and officially became a Taoyuan native. (Taiwan’s “China Times” file photo) According to Taiwan’s “China Times”, Lin Zh - DayDayNews

Source: China Jingwei Net Democratic Progressive Party Taoyuan mayor candidate Lin Zhijian changed his household registration on the 12th and settled in Zhongli and officially became a Taoyuan native. (Taiwan’s “China Times” file photo) According to Taiwan’s “China Times”, Lin Zh

Lin Zhijian moved his registered residence to Taoyuan, has he chosen to avoid the plagiarism controversy?

06/17 1189