18:08
Recommended
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
05/17
1810
Original author's analysis: The earth may be destroyed by intelligent humans. The reason is that the development of human science and technology is a good thing and brings happiness to humans, but at the same time, it may also shorten the time humans can survive on the earth. In
Author analysis: The earth may be destroyed by intelligent humans for these reasons
05/17
1903
Have you noticed such a pattern? When you sleep alone, you don’t sleep very well. You often wake up immediately due to some movement, or you dream all night. When you wake up the next day, you don’t have any energy. You always feel that Not getting enough sleep. If you sleep in t
Does sleeping with a partner make you sleep worse or better? Study: Sleeping with two is better
05/16
1648
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
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
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
Do you know why mosquitoes prefer to bite you instead of others? First, the mosquitoes that bite you are usually female mosquitoes because they need to absorb nutrients to lay their eggs. Secondly, mosquitoes rely on smell and temperature to find prey, and can keenly sense the su
Popular science knowledge: Do you know why mosquitoes don’t bite others but prefer to bite you?
05/16
1924
A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di
Nine years after a mysterious fireball fell in Russia, scientists discovered something strange there
05/16
1818
Last night, Lao Wen didn't sleep well. Lao Wen has been thinking about a question: What should we do? The Director of the Aeronautics and Space Administration of the United States said that China stole their ideas to occupy the moon and make the moon its own. This is loose, and t
Who should we steal this time?
05/17
1966
This satellite image from the Copernicus Sentinel-2 mission takes us above Kiev - Ukraine's capital and most populous city. (Please note that this picture was taken in 2019, so the flames and smoke of war are not visible). Kyiv, also known as Kiev, is visible just below the cente
Copernicus Sentinel 2 "Space Exploration of the Earth" Series: Ukraine - Kiev
05/16
1434
Relation Video
science Relation Video
Site video recommendation
science Latest News
China's sky eye discovered a mysterious signal, which was suspected to come from a foreign civilization, but American scientists poured cold water on it. Recently, a research team from Tianyan announced that in past observations, they discovered several very special signals. Thes
China's sky eye discovered mysterious signals, but American scientists said they came from the earth. Do aliens exist?
05/18
1697
Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One
"Space Observation" Ramsar Convention and Vietnam Wetlands
05/18
1145
June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c
"Space Observation" Small tropical cyclones contribute more to annual rainfall
05/18
1663
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
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
Could it be said that humans more than 12,000 years ago really existed?
05/18
1065
Site Latest News
"When You Get Old" Vocals: Zhao Zhao. Release time 2015-03-27, Album "When You Get Old". QQ Peak Music Festival: Top Ten Hot Songs of the Year. "My Sunshine" Vocals: Zhang Jie. Release date: April 15, 2014 Album "Pick Up". Oriental Chart Top Ten Golden Melody Awards. "Partition
In 2015, the top ten mainland classic music, many great gods
05/18
1894
The blue warning for thunderstorms in Beijing every day finally came true today. The heavy rain continued in the morning, stopped briefly in the morning, and the moderate rain has not stopped in the afternoon. Leaning on the railing and looking out into the distance, a chill came
The sweltering summer is here, but a cool day is rare Original
05/18
1816
1. All encounters in this world are reunions after a long separation, and separation is for the purpose of meeting each other better. The hardest things to say are the first hello and the final goodbye. The farewell announcement is actually still reluctant to say goodbye. Tangled
Those tear-jerking copywriting that makes people sad and sad are heart-piercing and unforgettable.
05/18
1247
Last week, the 29th Golden Melody Awards ceremony was held at the Taipei Arena. In the most watched competition for the best Mandarin male and female singers, Eason Chan and Xu Jiaying won and became the new singer kings and queens.
"GMA" 29th Golden Melody Awards winners list: Eason Chan and Xu Jiaying became the biggest winners
05/18
1836
Many people must know TWICE. There are nine girls in it, and all of them are beauties. They are very eye-catching, but if we want to rank the beauty, the number one one must be Zhou Tzuyu.
Ranking of singing in TWICE, who is the No.1? Is it reasonable for Sana to be ranked seventh?
05/18
1398
So it’s obvious in these photos that Nayeon makes sure that the clothes she wears are on-trend! Check out 10 of Nayeon’s casual outfit combinations that are sure to give you some great inspiration for your casual outfits!
10 casual styles of Nayeon, a member of Korean girl group Twice
05/18
1174