Science
Earth's previous generation of overlords
As the previous generation of the Earth's overlords, dinosaurs ruled the Earth for 160 million years, compared to the time when humans appeared on the Earth for only a few million years, which can be said to be very short, but in this short time of a few million years, humans quickly became the new generation of the Earth's overlords, and its degree of domination of the Earth is far more than the dinosaurs.
By Karen Gillanah4 years ago in Earth
Where do people go after death? To heaven or to hell, and how to explain death from a scientific point of view?
Do you know where people go when they die? Is it the underworld or the hell? ancient legend Where do people go after death? There have been many sayings since ancient times. People in different places have their own views, and different religions have different views.
By sayre laylah4 years ago in Earth
2 news overnight! Dream Chasing Green asks for a maximum salary extension, the Clippers intend to Zhou Qi, Zhou Qi or return to the NBA
On July 27, Beijing time, the NBA is in the offseason. In recent times, perhaps the entire league has been concerned about the trade rumors between the Los Angeles Lakers and the Brooklyn Nets. Where will Westbrook, Irving and Durant go next season will be the league's most important issue. However, none of the three transactions have been updated. Although many teams are interested in Durant, the Nets' offer for Durant is too high, and no team is willing to pay their satisfaction.
By sayre laylah4 years ago in Earth
The spaceship that sank 100,000 years ago
70% of the earth is seawater, and the ocean is the starting place of life. With the continuous development of science and technology, human exploration of the ocean has also been deepened, but due to the huge nature of the ocean, for us, it is still like a mystery like a universe that can not be easily solved.
By Karen Gillanah4 years ago in Earth
Two billion-year-old nuclear reactor
Prehistoric civilizations have always been a topic of fascination, and no wonder, after all, humans have been on Earth for so short a time in its history that if the history of the planet were compressed into a single day, humans would have appeared in the last two minutes of that day. In the past, there have been frequent claims of the discovery of suspected prehistoric civilizations, the most notable of which would be a two-billion-year-old nuclear reactor.
By Robert Jack4 years ago in Earth
10 billion times harder than steel
From a microscopic point of view, the objects we normally see are actually made up of a large number of atoms, and the hardness of the objects varies greatly depending on the type of atom and the way it is bonded, for example, a diamond is made up entirely of carbon atoms, and the way it is bonded is that each carbon atom is bonded to the four carbon atoms next to it through covalent bonds, thus forming a crystal structure like the one shown below.
By Robert Jack4 years ago in Earth
Only two years after the sinking of the Titanic, 12 "artifacts" were recovered: including third-class cups of Chinese porcelain
Since 1985-1987, two years after the discovery of the Titanic, researchers have visited the site of the remains seven times and recovered more than 5,500 artifacts. Here are a few of them.
By sayre laylah4 years ago in Earth
How rare is "golden blood"?
We all know that "rare is precious", and this saying applies to almost every field, and the medical field is no exception. In our daily lives, we have more or less heard of the existence of "panda blood", which is an extremely rare type of blood that the human body possesses.
By Karen Gillanah4 years ago in Earth
9 DNA-tested ancient objects: old chewing gum, glowing manuscripts, mummies, dental plaque and more
DNA tests on rodents, such as this one at Joshua Tree National Park, offer clues about ancient ecosystems DNA contains the biological instructions that drive the existence of every living organism, shaping the world as we know it. With the help of advanced technology, these complex molecules can also reveal the secrets of people and other creatures long before us. Scientists have studied DNA preserved in a range of centuries-old artifacts, from human remains to fossils from rodent dens to pages of medieval manuscripts.
By sayre laylah4 years ago in Earth
Amateur archaeologists dig with coal shovels: 12 incredible facts about the Sutton Hoo boat treasure
Sutton Hoo Boat Treasure One of the richest buried artifacts ever found, the Sutton Hoo boat burial was discovered in Suffolk, England, at the outbreak of World War II. Over the next few years, an incredible array of Anglo-Saxon treasures was discovered, unearthed dozens of gold and jewelry objects, and changed our understanding of early medieval England. The 2021 Netflix film The Dig tells the story of its discovery. Here are some interesting facts about the Sutton Hoo treasure.
By sayre laylah4 years ago in Earth
