Space science
The world's most expensive land is worth 9 billion USD
Just a handful of land costs up to 9 billion USD, making it difficult for the super rich to buy because of its rarity. So, what kind of land is this?
Difficult
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The world's 'loneliest' gold mine: Surrounded by gold but no one is mining it, just mentioning it makes you shudder
There is a giant gold mine at the end of the Earth but strangely, few people exploit it.
Animal world
Top 10 strange animals and plants that you probably have never heard of
The world we live in is a beautiful and strange place, filled with unique plants and animals. Many of these species are extremely rare and difficult to find.
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5 characteristics of people with low EQ you should know
A person with low EQ will have these typical characteristics, if they don't change soon, it will be difficult to succeed.
Oceanography
The Mystery of the Blue Fish in Alaska
In fact, this is an extremely rare and difficult fish to catch, so not everyone can see them in their lifetime.
Space science
New map of dark matter strengthens Einstein's general theory of relativity
Dark matter is difficult to detect, but is slowly becoming clear with human evidence.
Space science
What happens to dead bodies on Mars?
Living on Mars is already dangerous and difficult with many environmental challenges. Unfortunately, if you die on Mars, your body will become a natural mummy.
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An elephant can survive with a broken leg, but why does a horse with a broken leg have to die?
The ways of survival of all things in nature are very strange and diverse, and the animal world is full of mysteries.
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Why is it difficult to attract people to live on this beautiful island, which has houses provided by the government for 20,000 USD?
The most beautiful landscape in Greece but very few people live here, the government has to pay to get more people to come here.
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How do rare earth reserves in Vietnam compare to the world?
Rare earth elements are distributed widely around the world. However, rare earths are difficult and expensive to mine and refine, making them an extremely valuable resou…
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How rare are rare earths really?
The rare earth elements, a group of 17 metals, are relatively abundant in the Earth's crust but their extraction is extremely difficult.
Archeology
The ancient tombs were all sealed from the inside, how did the last worker escape?
Ancient tombs, especially royal tombs, were built with mysterious designs that are still difficult for us to find answers to today.
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The sofa problem that has puzzled science for 6 decades has been solved
For nearly 60 years, scientists have been unable to find a solution to a seemingly simple problem: Moving a sofa through a narrow L-shaped corner.
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Why does gray hair never turn black again?
Why is it so difficult to turn gray hair even when we try to supplement nutrients or apply modern therapies?
Space science
Dark energy offers incredible hints about conditions in our universe
One of the greatest mysteries of existence, and also the most difficult to answer, is whether civilization on Earth is alone in the universe.