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In 1881, what happened to the savage girl caught in the primeval forest by Norwegian hunters? Sad ending
About 65 million years ago, due to a meteorite hitting the earth, the dinosaurs that dominated the earth at that time died out, and many reptiles were also tragically extinct. Since then, mammals have survived this race for survival, and evolved rapidly, and finally became the current human.
By crudden elle3 years ago in Earth
Are vegetarian animals at the bottom of the food chain? Can a male lion beat a mature giraffe and hunt it
Can a mature African lion beat a mature giraffe? Do lions hunt prime giraffes for food? The lion is the number one top predator on the African continent. Through the observation and research of scientists, it is found that the lion has attacked all the vegetarian and carnivorous animals on the African grassland. .
By crudden elle3 years ago in Earth
Is there really life on Mars? How to explain the "flock" that appeared?
As we all know, the universe is full of mysteries, and it is these wonders that continue to attract scientists to explore curiosity. In recent years, human beings have never stopped exploring outer space. After Americans first landed on the moon, more and more countries have officially entered outer space. Now the mystery of the moon has almost been revealed to us. So humans have set their sights on Mars again. With the development of science and technology, more and more probes have been sent to Mars. After so many years of research, what are the magical things on Mars?
By crudden elle3 years ago in Earth
An owl ancestor appeared? Scientists have discovered a magical little dinosaur, night is like day in its eyes
According to reports, some time ago, scientists discovered a small dinosaur fossil that looks like an owl. It is a small theropod carnivorous dinosaur with a body length of only about 0.6 meters, which is smaller than a domestic pet cat. .
By crudden elle3 years ago in Earth
Is there really life in the oceans of Enceladus? Researcher: Let's first look at how salty the sea is
Since the 21st century, scientists' goal of finding extraterrestrial life has gradually shifted from planets to satellites. For example, Europa and Ganymede orbiting Jupiter, and Titan orbiting Saturn, and the protagonist of our article today - Enceladus.
By crudden elle3 years ago in Earth
21 light-years away, this planet is very similar to Earth, astronomers: 100% of life exists
For many years, human beings have always wanted to find a habitable planet outside the earth that can be "packed in". At the same time, they also hope to find extraterrestrial life among the more than 4,000 known exoplanets. Even the existence of alien civilizations, then, among these planets, which planet is the most reliable?
By crudden elle3 years ago in Earth
Scientists put forward the "dandelion conjecture", indicating that the universe is full of life, but humans can't find it
Looking at the entire universe, only the earth has life at present. There are two possibilities for this phenomenon. One possibility is that there are other life forms in the universe, but human beings have not yet found it, and the other possibility is that there is no existence in the universe except the earth. other life. Compared with the second possibility, most scientists who study extraterrestrial life prefer the first possibility, because the exploration ability of human beings is still very limited, and a conclusion cannot be drawn because the temporary search is fruitless.
By crudden elle3 years ago in Earth
The wildest hamster in history not only carries a deadly poison, but also insists on monogamy
The African Mane Rat looks like a ferret, skunk and porcupine combined. With a body length of 25-30cm, they are actually members of the hamster family, a punk version of hamsters wandering in the wilderness.
By crudden elle3 years ago in Earth
The 5 most plausible pyramid building theories
One of the most perplexing mysteries in human history is how to explain the incredible engineering feat that went into the construction of the Great Pyramids of Egypt. For thousands of years, historians, architects and scientists have tried to find the best explanation for these massive structures. To this day, the mystery has not been fully solved. No one really knows how it was done. But many explanations have been offered, and we will test the five most plausible theories for the construction of the Great Pyramid.
By crudden elle3 years ago in Earth
History than the dinosaurs more terrible creatures (two), see more easy to do nightmares
Pachycephalosaurus Pachycephalosaurus belongs to the order Serpentinosaurus, the short-necked epimastigotes suborder, although Serpentinosaurus and dinosaurs are two different animals.
By crudden elle3 years ago in Earth
How was the mass of the Earth measured? It's a long process of calculation that began in ancient Egypt
What is the mass of the Earth? It is about 5.965 times 10 to the 24th power of the kilogram. This result can be easily obtained by searching, but many people may have doubts about how this number was obtained. We know that the earth is a very irregular sphere, and this sphere is composed of a large number of different substances, on the surface, there are oceans, mountains, deserts, swamps, and below the surface, there is a layered structure composed of the crust, mantle and core, such a sphere where the mass of each part of the material is different, how can we accurately calculate its mass? It is a long process of calculation, the beginning of which can be traced back to the ancient Egyptian period.
By crudden elle3 years ago in Earth
