5:25
Recommended
Entropy is an important concept in thermodynamics, but it is also a difficult concept to understand. As my college physics teacher often said: There are (probably) only 4 or 5 people in this world who really understand entropy, and I don’t belong to them. Compared to other quanti
There are (probably) only 4 or 5 people in this world who truly understand entropy, and I don't belong to them
06/04
1090
Octopus is an invertebrate animal in the ocean, but compared with other earth creatures, octopus has too many unique characteristics, such as certain physiological structures and behavioral characteristics, that even more advanced vertebrates cannot compare with. . Judging from t
It’s too harsh on yourself! After mating, octopuses sometimes eat themselves. Why do they do this?
06/05
1990
More than 50% of the stars in the universe belong to binary star systems. About half a century ago, astronomers proposed a theoretical prediction that binary stars would sometimes form a shared envelope during their evolution. Until recently, Chinese and Australian astronomers jo
How to dance the stellar "pas de deux"? Chinese and Australian astronomers found for the first time direct evidence of shared envelope evolution of binary stars
06/05
1187
Chang'e-5 returned to Earth with "fresh" lunar soil samples. While we are still immersed in the joy of the lunar exploration project, NASA in the United States cannot sit still. Their director suggested that China share the soil brought back by Chang'e 5, just like they did with
NASA director made suggestion: China should share Chang'e 5 lunar samples, just like Apollo
06/04
1509
[Plumbing Valve Network News] Valve corrosion is one of the main reasons for valve failure. There are several forms or causes of corrosion, which can be roughly divided into six forms of corrosion. Corrosion is a natural wasteful way of drawing metals into their ores.
How are hotel valves corroded?
06/05
1747
1. Shale is a kind of [ ] rock, which is mainly formed from clay after a long period of deposition and subjected to a certain pressure and temperature. A. Sedimentation B. Metamorphism C. Magma Answer: A.
Summary of four-person competition rock questions
06/04
1621
Academician Wu Jianqi (first from right) guides scientific researchers in equipment testing in the microwave anechoic chamber of the 38th Institute of China Electronics Technology. Radar is known as "clairvoyance" and can detect and locate aircraft at long distances. "After the e
"Approach Academician" Wu Jianqi: Make invisible aircraft visible
06/05
1322
No matter from which angle you look at it, Peng Yongzhen is not one of those who wins at the starting line. This academician of the Chinese Academy of Engineering and professor of Beijing University of Technology cut wood in the mountains when he was young, and did not enter univ
Academician Peng Yongzhen: Don’t let “late start” become an excuse
06/05
1510
Mount Fuji is not as "immovable" as it appears on the surface. It seems that a force is rapidly building up inside! Some experts believe that Mount Fuji may erupt at any time; other experts disagree, believing that people are over-interpreting the recent anomalies in Mount Fuji!
Is Mount Fuji in Japan safe? Chinese satellite unexpectedly discovered that the snow area on the top of the mountain has decreased by 61% in 4 years
06/05
1749
Many oligonucleotide drugs require modifications where their phosphate bonds are connected to improve their absorption efficiency and stability (1). Oligonucleotide drugs usually need to be modified to improve stability and absorption efficiency (1). However, this also brings abo
Science | More flexible oligonucleotide synthesis
06/05
1612
Relation Video
science Relation Video
Site video recommendation
science Latest News
On May 19, Fudan University virologist Jiang Shibo and other scholars published a short review "Disease of influenza virus and SARS-CoV-2 coinfection: Flurona or Flucovid?" in the Journal of Medical Viruses, analyzing influenza. -Characteristics of Omicron co-infection.
1+1>2: Can co-infection of influenza and COVID-19 worsen the patient’s condition?
06/06
1519
On June 28, 2012, biomedicine entered a new era. On this day, Science published a landmark paper online, introducing a new genome editing tool later referred to as CRISPR.
CRISPR 10th anniversary: Who cut out the thin leaves of life?
06/06
1385
When it comes to centipedes, many friends will feel scared at first. This thing is not big, but it is really scary. I have heard girls say before that they are most afraid of animals with many legs and legless animals. Centipedes are among them. The former, in fact, not only girl
Learn about centipedes in three minutes
06/06
1194
Metaverse, an "old word" from thirty years ago, suddenly became popular in the post-epidemic era and continues to appear in the public eye. The universe sounds very sci-fi. If you want to understand the concept of the metaverse, you really have to find inspiration from science fi
Guangdong Future Technology | Metaverse = real world mapping + virtual world interaction
06/06
1595
Will the question of human origins and evolution be rewritten? If you want to ask, among the many disciplines, which discipline’s knowledge will be turned upside down every five years? Well, paleoanthropology is definitely on the list. Due to the archaeological evidence that pale
Human origin or being rewritten? Fossils reveal that humans may have originated in Africa. Is it an ancestor of the Chinese?
06/06
1223
Reuters, Washington, March 31 (Reuters) - The international scientific team Telomere to Telomere Consortium published the first complete, gap-free human genome sequence, revealing for the first time highly identical segmental repeat genomic regions and their role in the human gen
What does it mean for scientists to publish the complete human genetic sequence for the first time?
06/06
1184
Site Latest News
For us ordinary people, the most familiar thing is the spleen and stomach, because we eat every day, and the organs that are most closely related to eating
I didn’t expect Zhang Xichun’s spleen-strengthening prescription to have such a good effect!
06/06
1752
Do you still remember the cute mixed-race baby Princess Summer in the third season of "Where Are We Going, Dad"? As the only girl on the show this season, Xia Tian naturally became the darling of the show crew. When she appeared in the first episode, she appeared in a princess dr
"Dad 3" Xia's parents officially announced their divorce! Model father Xia Keli was insinuated as "trash"
06/06
1142
When you understand the secret of Pilates, you will understand why it not only has shaping functions such as waist tightening and abdominal slimming, but also helps correct bad posture and muscle tension imbalances, making you more elegant.
The spine is more flexible, making you more elegant
06/06
1699
Ning Jinhu personally believes that investment itself is a game, not only a science but also an art. In market fluctuations, about 70% of the time are volatile, and only about 30% of the time are unilateral surges or declines, so accumulating small wins into big wins is the magic
Ning Jinhu: Will gold fall in 7.4? Will silver rise? European and American market trend analysis and operation suggestions
06/06
1135
Gold trend analysis: On Friday, as the U.S. dollar index broke through yesterday's high of 105.54, the British pound continued to fall against the U.S. dollar, falling below the 1.20 mark, setting a new low since June 15.
Lao Kong Pan’s explanation: 7.4 "Analysis of gold’s rise and fall today" Gold trend analysis, gold operation suggestions
06/06
1530
Yesterday, U.S. economic data weakened. U.S. consumer spending slowed in May. The core PCE price index recorded the smallest year-on-year increase in six months. Inflation has cooled to a certain extent, but it has little impact on expectations for the Federal Reserve to raise in
Li Yixuan-7.1 Gold cautiously buys the bottom, the real risk may not come yet! Gold trend analysis
06/06
1872