suzanne darlene
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Did life on Earth really come from aliens?
As we all know, the origin of mankind has always been a mystery. After scientific research, most people believe that the origin of mankind is the earth. Since the emergence of a single-celled organism on Earth, after billions of years of development, changes in the cell belt finally gave birth to human beings.
By suzanne darlene3 years ago in Earth
Why do cows cry when they are slaughtered, because of human nature? The expert explanation is surprising
Introduction: The cattle are of great significance to the development of human society. For example, after cattle were domesticated in the past, they could help people to cultivate the land. However, there is a saying in the countryside that cattle are very humane. Cow tears when slaughtered.
By suzanne darlene3 years ago in Earth
Eating monkeys and washing your face with cow urine, why is Africa, where humans originated, still very backward?
When you think of the poor places in the world, what is the first thing that comes to your mind? Many people may unconsciously think of Africa, because in the minds of most people, Africa is a poor, backward, messy and unsanitary place.
By suzanne darlene3 years ago in Earth
What would happen if the sea suddenly disappeared? How long can we humans last?
The total area of our planet's oceans is about 361 million square kilometers, or about 71 percent of the Earth's surface area. The ice spring is about 4 kilometers deep, and the ocean contains 1.37 billion cubic kilometers of water, accounting for more than 97% of the total water on the earth. It plays an extremely important role in the evolution of life on our planet.
By suzanne darlene3 years ago in Earth
Uncover whether the crop circles are man-made, or marks left by aliens on the earth?
The mysterious crop circles must be familiar to everyone. They first appeared in the 16th century. At first, they were only concentrated in the southern part of the United Kingdom. Later, they appeared in the United States, Australia, Japan and other parts of the world.
By suzanne darlene3 years ago in Earth
The latest cold knowledge: shark navigation cheats, it turns out that the earth's magnetic field is its compass
Now that everyone is going to travel abroad, as long as they have a mobile phone, they will basically not get lost, because now there are navigation maps on mobile phones. Relying on satellite positioning, we can easily and quickly know where we are.
By suzanne darlene3 years ago in Earth
How did the virus in chimpanzees spread AIDS to black Africans and then to the world?
Every December 1st is "World AIDS Day". On this day, international organizations in various countries will be called on to hold activities related to it, to publicize and popularize the knowledge of AIDS and how to prevent AIDS. Although today is not "World AIDS Day", I hope that through this article, I can popularize the danger of AIDS to everyone.
By suzanne darlene3 years ago in Earth
Has advanced civilization appeared? Mysterious rings appear in the universe, scientists don't know how to explain
Human beings cannot be the only intelligent creatures in the universe in any respect, and as far as we know, the universe has existed for at least tens of billions of years, so a reasonable speculation is that there may well exist in the universe Advanced civilizations that are hundreds of millions or even billions of years ahead of human beings, if this is the case, their technological level is simply impossible for us humans to imagine.
By suzanne darlene3 years ago in Earth
Looking at the Earth from 2000 light years away
In the city, on the streets, there are crowds of people, people are busy passing by, and vehicles are running back and forth. Buses, high-speed trains, and airplanes are accustomed means of transportation, speeding by on their respective tracks. We are accustomed to it, but we do not know that these seemingly ordinary objects move, but they have changed our space-time structure. The small changes in , are not enough to make our senses feel. These changes are usually at the level of Planck's constant, which is 6.626*10^-34, followed by 34 0s after the decimal point. It can be said that the small ones are ignored. .
By suzanne darlene3 years ago in Earth
Breathtakingly beautiful distant galaxies in deep space
On a summer night, there is a cool breeze. When you look up at the starry sky, you can find bright starlight from 28 million light-years away in the direction of the Virgo galaxy cluster. If you borrow the lenses of the "Spitzer" space telescope, You will see this stunning picture:
By suzanne darlene3 years ago in Earth
Shaking for 200 million years, the life cycle is only one day, the life and death are talking about the mayfly
There is such a sentence in Su Shi's "Red Cliff": "A mayfly is sent to heaven and earth, and it is a drop in the vast ocean." Su Shi compared himself to a mayfly between heaven and earth, thinking that between heaven and earth, he is only like a The corn is so small that it is not worth mentioning.
By suzanne darlene3 years ago in Earth
Study finds that land cooled by 6 degrees Celsius during the last ice age may have an impact on global warming
The researchers showed that previous studies underestimated the cooling of the last ice age, which underestimated the sensitivity of Earth's climate to greenhouse gases. Higher climate sensitivity is not good news for future global warming, which may be stronger than expected using previous best estimates.
By suzanne darlene3 years ago in Earth
