Archeology
Detecting a concussion about the terracotta army in the tomb of Qin Shi Huang
Chinese archaeologists found 220 more terracotta warriors during the excavation of the tomb of the first Emperor of the Qin Dynasty.
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Articles about PER
10,159 published items.
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7 types of household garbage should not use vacuum cleaners
If the garbage is powder or coffee beans or sandy soil, remove it with a broom and wipe it away instead of using a vacuum cleaner to avoid clogging straws, sieves, and s…
Life
Massage slippers help reduce stress, stimulate memory created by students
This is one of three ideas to overcome nearly 30 projects to win the final prize in the final round of the Community Technical Project Project, attracting more than 150…
Medicine - Health
Why can the common cold sometimes kill people?
If the subjective feeling of the illness is as small as a cold, you may end up paying a heavy price for life.
Space science
Astrological events not to be missed in 2020
In 2020, nature does not disappoint sky lovers because there are many observable points not to be missed.
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In 2020, there will be 13 full moon appearances
In 2020 astronomy lovers have the opportunity to see 13 full moons appear in the sky, more than the usual number each year.
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Why should not write 2020 into 20?
The abbreviation 2020 will save you less than a second but it can cause you to lose a lot of things if the bad guys use it to cheat.
Life
Paper bags are only good for the environment when reused 43 times
Ocean, rivers and dumps are filled with plastic waste. Before the movement to abandon disposable plastic bags, many businesses changed to paper bags.
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Why doesn't the water freeze all at once and freeze from the top down?
If you're a keen watcher, you'll see, the water always freezes from the front surface and then slowly spreads downward. Why?
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Why is the Emperor's bedroom only 10m2 wide?
If you want to know why the emperor's bedroom was so cramped in the past, read the article below.
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Experimenting with 13,000-year-old ash and ash, scientists investigated why volcanic lightning formed
Researchers learn about the most dangerous natural phenomena on Earth but are also breathtakingly beautiful.
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Why counting sheep helps to sleep fast?
Perhaps many times many of us often lose sleep due to a certain reason. And we often resort to counting sheep to solve this insomnia.
Space science
Super Earth hotter than 1800 degrees appears next to the 'copy of the Sun'
Another solar system with the center is a sun-like star and two planets (one is super-earth, the other is a copy of Neptune) found by NASA's planetary hunters.
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Surprising truth: The first person who ordered pizza over 100 years ago was a queen
Just because once ... craving that queen of the kingdom of Italy became the person enjoying the pizza delivered first in the world.
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Why do we often see small lightning in winter?
Staticness is a physical phenomenon that we often encounter in everyday life. This phenomenon is sometimes very noticeable as it makes your hair erect. The cold and dry…