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Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to
"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?
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In an interview with Ars Technica, Jim Free, associate director of the agency's Exploration Systems Development Program, said this week NASA is working toward an August 23 to September 6 launch window for Aretmis 1.
NASA plans to launch Artemis I lunar mission in late August to early September
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On April 15, 2022, the Heilongjiang Agricultural Engineering Vocational Food Innovation R&D Team successfully developed D-psicose industrial production technology after 2 years of exploration and research. At the same time, the team applied for three national invention patents.
Heilongjiang Agricultural Engineering Vocational College successfully developed D-psicose production technology
05/17
1981
@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
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Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for
"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception
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Omicron subspecies BA.4 and BA.5 are rapidly sweeping the world and becoming new popular subspecies. The S proteins of BA.4 and BA.5 are the same at the protein level, but are different from the S protein gene mutations of BA.2.12.1, but are they different from BA.1 and BA in ter
BA.4/BA.5 subspecies are “more cunning” and most monoclonal antibodies are ineffective
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1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”
19 photos of natural beauty that will completely mesmerize you
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Recently, the "China Sky Eye" received multiple alien signals, which triggered a heated discussion among the people. The question of whether there are aliens in the universe has always attracted great attention from people from all walks of life. However, there is still no accura
Has alien civilization been confirmed to exist? Will China's Sky Eye attack the Earth after receiving multiple alien signals?
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Jeffrey Sachs, chairman of the COVID-19 committee of the international medical journal The Lancet, said that the new coronavirus may not come from nature, but most likely originated from an accident in a US biotechnology laboratory.
The new coronavirus is most likely leaked from a US biological laboratory
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A new study examines the living conditions of dinosaurs before the disaster, which may help scientists better understand the consequences of contemporary climate change. One day 6 million years ago, the end came and life came to an abrupt end. An asteroid impact roughly closed th
If the earth had not been hit by an asteroid, would the dinosaurs have perished on their own?
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Researchers test glass membrane roofs under real-life conditions in the rooftop greenhouse of the "Oberhausen Old Market Garden". (Source: Fraunhofer Umsicht) Glass roofs and architectural elements made of glass are not only visual highlights but also serve important functions. B
lightweight glass roof
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According to foreign media reports, Jeffrey Sachs, chairman of the COVID-19 Committee of the international medical journal The Lancet, said that the COVID-19 virus may not have come from nature, but may have originated from an accident in a US biotechnology laboratory. "In my opi
Scholars say the new coronavirus may have originated in a US laboratory and wait to see how they respond
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On July 2, a press conference on the science and technology credit rating consensus system for smart technology enterprises with the theme of "Intelligence and Application for a Shared Future" was held in the Chaoyang District International Venture Capital Cluster. The press conf
The science and technology credit rating consensus system for intelligent technology companies has been released, which will better improve the Chaoyang artificial intelligence industry ecology in the future!
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But dinosaurs luckily escaped this disaster and dominated the Jurassic and Cretaceous worlds. So, what was the cause of the mass extinction of terrestrial life at the end of the Triassic?
How to become a land overlord for 130 million years? Dinosaur: Put on a "down jacket"
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[Academician of the Chinese Academy of Sciences and Southwest University #Karstologist Yuan Daoxian won the International Award#] The reporter learned from Southwest University on the 3rd that at the recently held Eurokarst2022 conference at the University of Malaga in Spain, #my
[Yuan Daoxian, academician of the Chinese Academy of Sciences and Southwest University #karstologist, won the international award#]
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This method based on mechanochemistry is one of the important advances in the modification of liquid metal, which essentially broadens the practical application of liquid metal in functional polymer composites, thermal interface materials, and electromagnetic shielding products.
Sichuan University team develops liquid metal mechanochemistry technology, which has huge potential in fields such as energy storage materials
05/18
1994
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Shipping prices have been rising since the second half of last year. After soaring for half a year, Securities Times e Company reporters interviewed many industry insiders at the end of last year. Most of them expected freight prices to reach a high point in June this year. But i
"E-Company Survey" is rising every month! Super peak season extended by record! The freight and the price of goods are equivalent, and the inventory risk of overseas companies has intensified. These A-share companies "cannot withstand it"
05/19
1900
Spot freight rates for container ships continue to fall, and have recently been lower than long-term contract rates. A large number of customers are beginning to consider renegotiating contracts or even breaking the contract. Recently, the XSI Shipping Index from Norwegian shippi
Freight prices plummet! More than 70% of customers want to break the contract? Expert: The good days of shipping market are over
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Dry bulk freight rates: BDI index on June 24 was 2331 points, -1.0% month-on-month and -25.9% year-on-year. In terms of containers, on the demand side, due to the impact of the Russia-Ukraine conflict and global high inflation, demand-side pressure is gradually emerging.
Affected by the Russia-Ukraine conflict and global high inflation, demand-side pressure is gradually emerging
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It's embarrassing to say that 10 days after "Life Events" was officially released, due to some special reasons, I was able to walk into the theater today to see the third brother. Although from 6.
Events in Life||Zhu Yilong is really suitable for the big screen
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When the first Huya Kung Fu Carnival was held, everyone regarded it as a fun event, but now everyone seems to regard the Huya Kung Fu Carnival as a program that must be watched every year. The 6th Huya Kung Fu Carnival will officially start at 6pm on July 9th.
The 6th Kung Fu Carnival is about to begin. The identity of the mysterious guest has led to speculation. Netizens: Looking forward to the showdown.
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1 You can't see this at all. 2 The dumplings are so delicious that the more you eat, the better... 3 To celebrate, I'll give you one. 4 Little bird: It's a little trap, and it wants to harm me. 5 Good guy, I'll just say that you need to take a few steps every day. So many 6 tmd,
Tyson looks a little reserved
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