2:24
Recommended
Zhang Ailing said - "Life is a gorgeous robe covered with lice." Lice is a general name for a class of insects, including nearly 5,000 species of wingless parasitic insects. They are obligate parasites that live in the hair or feathers of warm-blooded hosts (birds and mammals). H
Latest research: The origin of lice - African birds spread to animals, animals spread to humans
05/26
1407
When it comes to Hall electric thrusters, everyone always likes to describe them as "blowing a piece of paper". For example, the four Hall electric thrusters equipped in the core module of the "Tianhe" space station in my country have a single thrust of only 80 millinewtons, and
From blowing a piece of paper to lifting a bottle of water, my country's Hall electric pusher has been upgraded. Can the space station not carry it?
05/26
1380
The earth is a beautiful blue planet. There are many creatures on the earth, including marine creatures, terrestrial creatures, amphibians and many microorganisms. Among many creatures, human beings are the most intelligent life on the earth. Since the birth of human beings From
Why haven't humans found aliens yet? Maybe we were wrong from the beginning
05/25
1381
On July 2, Xinxiang City held a meeting to improve and promote self-service nucleic acid collection equipment to deploy related work. Vice Mayor Qi Wenhua attended the meeting and made the request. The meeting heard reports on research on relevant topics by Henan University of Sc
Xinxiang City requires speeding up the improvement and promotion of self-service nucleic acid collection equipment
05/26
1170
Do you know how tall the tallest tree in our country is? Theoretically, how high can a tree grow? Why do some botanists indicate that trees can only grow up to 120 meters? What exactly limits them? The tallest tree in my country is a yellow-fruited fir with a height of 83.2 meter
How tall can a tree grow? The world's "tallest tree" was discovered in my country. Does the tree also have a growth limit?
05/26
1241
When most of us think of solar power, we think of photovoltaic power generation or distributed roof PV; these photovoltaic (PV) solar cells will play a key role in the global push for "net zero"; plus, you can also think of as long as the earth With enough wind farms on the plane
Tom Howarth on the science behind CSP, it’s time to put CSP at the top of the COP27 agenda
05/26
1817
Living in an era that is highly dependent on smartphones, do you have some "mobile phone charging anxiety"? For people with battery anxiety, they simply dare not go out without a charger. The 100% in the upper right corner of the mobile phone screen is the source of their sense o
Now that we have the materials to make a perfect battery, how do we make it?
05/26
1148
In order to promote global cooperation, China has proposed a series of important concepts and initiatives, including the concept of a community with a shared future for mankind, the global development initiative, the "Belt and Road" initiative, and the global security initiative.
The vitality of the concept of a community with a shared future for mankind continues to show - Danilo Turk, former President of Slovenia
05/26
1004
Some time ago, the ANDA application of Hengrui Medicine's iodixanol was approved in the United States, which brought a long-lost excitement to the long-dormant generic drug industry and also aroused people's attention to generic drugs.
Are “generic drugs” reliable? State Food and Drug Administration explains "What is consistency evaluation of generic drugs"
05/26
1428
Scientists estimate that our sun is approximately 4.57 billion years old. And they're pretty confident in that number, which begs a direct question: How do they know this? Just like when we prosecute a suspect, we can use DNA, eyewitnesses, fingerprints, and various tools to pinp
How do we determine the age of the sun? One way is to take pictures
05/26
1854
Relation Video
science Relation Video
Site video recommendation
science Latest News
There are not only us humans living on the earth, but also more animals and plants living with us. If humans hurt us everywhere, humans themselves will be hurt in the end! 1. Snakes Snakes are very spiritual animals! If you kill and eat snakes, retribution will come quickly! Ther
This animal cannot be killed or eaten! Affect blessings! Let more people know
05/27
1206
[Source: Shandong Provincial Department of Natural Resources_Government News] In order to comprehensively popularize knowledge about seafood nutrition, health and food safety, and improve teachers and students’ scientific understanding of the quality of marine life, the Provincia
Provincial Institute of Marine Resources and Environmental Protection launches marine science popularization activities on campus
05/27
1560
The latest official website news from the Shaanxi Health Commission: On July 4, there were 7 new confirmed cases and 2 asymptomatic cases in Xi'an. So far, there are 10 locally confirmed cases and 8 asymptomatic cases in Xi'an.
up to date! Xi'an epidemic genetic sequencing released: How is it different? Communication chain details map
05/27
1342
A perpetual motion machine is an ideal machine that can work without any fuel. It does not require external energy input, or it only needs an initial energy. The perpetual motion machine can continue to do work forever without stopping.
Since there is no perpetual motion machine in the world, where does the power for the earth's rapid rotation come from?
05/27
1405
91 In addition, because foragers do not rely on a single type of food, even if a certain food source is cut off, the impact will not be too great. But if it is an agricultural society, once a drought, fire, or earthquake occurs and all the rice or potatoes of that year are destro
A Brief History of Humanity: From Animals to God (9)
05/27
1836
Deep sea phobia is a type of phobia. When patients imagine, see or come into contact with ocean-related things such as the sea, big waves, marine life, etc., they will have rapid breathing, rapid heartbeat, cold sweats, trembling hands and feet, and want to exert all their streng
What is bathophobia? Genetic fear
05/27
1421
Site Latest News
Recently, WeChat stated that it will allow users to quickly register another WeChat account without the need for an additional mobile phone number, and has begun internal testing. At present, this function has not been officially launched, but the number of internal test quotas i
WeChat allows registration of "small account" function and has started internal testing
05/27
1117
Samsung has been adjusting its product strategy over the years, which is very different from the domestic Xiaomi OV Honor. Friends who know the market know that brands like Xiaomi Honor are trying to reach the high-end mobile phone market. For example, Xiaomi has been in the high
Samsung Galaxy F62 counterattacks Xiaomi, using 2899 to popularize 12G+512G large storage, full firepower
05/27
1814
Jack Ma, who was once a bit of an "old horse, stumbled" once received a comment in a section of the People's Daily that "there is no era of Jack Ma, only Jack Ma in the era." Obviously, Jack Ma broke his promise again.
Obviously, Jack Ma broke his promise again
05/27
1986
In 1966, Vietnam was experiencing frequent civil wars. The then Vietnamese Chairman Ho Chi Minh sent a telegram to Mao Zedong, hoping that the Chinese government could assist them with plasma. Out of humanitarian concerns, Chairman Mao immediately ordered the assistance of 2 mill
In 1966, a Chinese aid train to Vietnam was sabotaged by the KGB, and the death of an old technician revealed the female spy behind the scenes.
05/27
1106
Ci'an's original surname is Niu Gulu, and he is a Manchu Xianghuang Banner person. His father is Mu Yang'a, the third-class Chengen Gong of Youjiang Road, Guangxi. Niu Colu was born in Guangxi in the 17th year of Daoguang, and returned to the capital from Guangxi before the draft
The wise Empress Ci'an
05/27
1548
Source of the article: Wisdom Mom said that everyone wants to have a sweet love, but it is not easy to meet the right person. Not to mention that girls will always meet "scumbags", boys are also toyed with by various "scumbags".
Collection of quotes from scumbag girls in bed
05/27
1484