Search Results for: Human
Why Have No Advanced Civilizations Visited Earth? Perhaps In Their Eyes, Humans Are Just Ants
Intelligent life is rare in the universe, or perhaps it is just wishful thinking on our part. As mentioned earlier, just in the galaxy, there are hundreds of millions of planets that have the natural conditions to nurture life, so a reasonable speculation is that life has evolved on many planets, and even a number of planets have evolved intelligent life.
When Humans Reach The Second Level Of Civilization In The Universe, Will They Necessarily Build a "Dyson Sphere"?
If someone asks the question, are humans alone in the universe? I believe that most people would answer in the negative. In fact, the scientific community also generally agrees that there are a large number of intelligent civilisations in the vast universe, some of which may even be far ahead of our civilisation, and in order to better describe the technological level of intelligent civilisations in the universe, scientists have also proposed the concept of "Cosmic civilisation levels".
How Terrible Is The Reproductive Isolation Of Earth's Species? Is There Reproductive Isolation Between Humans And Animals?
The existence of reproductive isolation, so that these situations can not occur, even if there are some individuals of different species sometimes complete the mating, but they generally can not produce offspring, or produce offspring can not continue to reproduce
If There Is a Time Machine, Then Why Haven't Humans Come To See Us In The Future?
The reason we don't see time travelers is actually because they are not in our timeline
What Happened To The Experiment To Crossbreed With Chimpanzees And The Five Human Women Willing To Pay For Science?
Since humans and chimpanzees are reproductively isolated from each other and cannot bond, can we transfuse chimpanzee blood to us humans?
Why Do Wild Animals Not Need To Eat Salt, But Humans Must?
In fact, the earth's crust itself is a natural source of minerals, many soil and rocks contain a certain amount of salt, careful observation of cattle and sheep should know, cattle and sheep in the grass, but also often "eat soil" or lick the stone, they do so, in fact, the purpose is to obtain the salt
How Long Would It Take For Humans To Reach Mars?
Of all the known rocky planets in the solar system, the one with the most similar natural environment to Earth is Mars, and exploration data show that Mars also has an atmosphere, four seasons of the year, and even a rotation period similar to that of Earth.
Why Is It That Dinosaurs Are Not All Extinct And Are Still Living On Earth, Everywhere Around Humans?
It is proposed that birds originated from dinosaurs, and that "ancestor birds" are a transitional species between birds and dinosaurs.
How Long Does It Take For The Sun To Go Out Before Humans Notice It? Will It Be 8 Minutes Or 10,000 Years?
The energy released by the sun's nuclear fusion reaction, in addition to making the sun shine and heat, there is an important role, that is, to resist its own gravity