Animal world
Strange life in the 'polar bear capital'
The small, cold town of Churchill, with difficult access in Canada, is known as the 'polar bear capital', an attractive place that attracts many adventurous tourists.
Difficult
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Articles about Difficult
584 published items.
History
True to the curse of tyrant Timur
In the world, there are still many ancient places with many mysteries that are difficult to solve. These places are often imbued with legends about mystical forces that…
Funny corner
'Mysterious' major, thousands of dollars salary but difficult to get married
The surplus of human resources in many popular majors in China makes it very difficult for graduates to find jobs.
Cancer
Warning signs of oral cancer
Feeling difficult to chew, difficult to swallow, difficult to move the jaw or tongue, unexplained weight loss ... can be red warning signs of oral cancer.
Science invention
Invented 3D printed eardrum implant device
Perforation of the eardrum leads to pain and hearing loss. This is also a difficult condition to treat.
Space science
Why are people so hard to live on the Moon and Mars?
Humans could not live on the Moon and Mars due to the high radioactivity and cosmic radiation.
Biology
Why are fruit flies so much and so difficult to destroy?
Common fruit flies, also known as fruit flies, have the scientific name of Drosophila melanogaster.
Biology
Why desert grasshoppers can not kill?
After devastating crops in East Africa and the Middle East, grasshopper clouds continued to move to many areas, forcing many aircraft to change direction.
Discover science
What if humans could breathe underwater?
When humans can swim freely underwater like fishes, what new things will appear in life on this Earth?
Biology
Durian has no thorns that makes it difficult to study
Botanists have been unable to successfully grow extremely rare thorns durian despite grafting efforts over the years.
Health
Special masks to help deaf people communicate during the epidemic season
Reading oral palms during the epidemic season becomes difficult when people wear masks during translation, but Indonesian tailors have found a perfect solution.
Discover science
Surprise the world's 'hardest to kill'
Despite being repeatedly assassinated, even shot and slashed directly, they still did not die. They are considered the most difficult people to kill in the world.
Discover science
Constructing the electronic structure of benzene, a compound with electrons that exists in 126 different directions
The difficult problem that has puzzled science for years has been solved, creating a breakthrough in optoelectronics.
New technology
Australia develops satellite to predict forest fires
Following the historic wildfire disaster, Australia said on March 4 that it was building a satellite capable of detecting flammable areas.
Discover science
Why are cars bitten by rats today?
The insulation of soybean conductor is a difficult thing to refuse for rodents.