Animal world
Why do penguins 'like' lay eggs in the winter?
A rare creature living in Antarctica, penguins make many people question why they are
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Articles about PER
10,159 published items.
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NASA reveals images of giant 'burning' clouds in space
NASA's Spitzer space telescope captured the fiery moment of a giant mass of gas and dust that spanned more than 500 light-years.
Animal world
Why do people never ride a zebra?
Almost all of the documentaries, movies, story books, we only see humans riding colorful horses but never zebras.
Health
Is color blindness an esper power associated with trade-offs?
Color blindness, also known as color disorder or color disorder? This is an eye disease that makes it possible to see things clearly but cannot distinguish some colors.
Life
Attention deficit hyperactivity syndrome (ADHD): Causes, symptoms and treatment
Children who are hyperactive and naughty are normal, but if they are overactive they are a disease and need early intervention.
Health
How is drinking perilla leaf water effective and harmful to health?
Perilla is one of the oldest and most widely used folk medicinal plants in our country.
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Why does putting your feet out of the blanket help you sleep better?
Have you ever noticed that your feet (or sometimes even a part of your feet) are sticking out of a blanket when you are fast asleep? Do you feel sleep better when your f…
Health
The unexpected benefits of salt water
Salt water has a unique taste of salt, making many people think that it cannot be used as a drink. But in fact, salt water is a 'panacea' that helps a lot for female bod…
Health
Why do we need to wash our hands before eating? This experiment will tell you that!
Washing your hands before eating is a very important practice. But is there a way to visually illustrate the importance of doing this for your kids to understand and rem…
Discover science
Russian scientists created an entirely new super hard alloy
Recently, Russian scientists announced the successful development of a new generation of super hard alloys that is expected to be used to create mining equipment in the…
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Why do some countries print money abroad?
Last September, the Liberian government announced it had lost $ 104 million. The reason was not because of any weak investment decisions, or some accounting fraud but mo…
Technology
The 'inventive' life of the Swiss
Speaking of Switzerland, many people immediately think of the world's leading safety banking system and high-end watch brands. But few people know that this country is a…
Space science
6 super Earth 'hell' with iron hearts revealed the mystery of our planet
Hot, strange worlds how we are 160 to 440 light years away may be the key to our understanding of how the earth was formed.
Space science
Discover the mysterious 'food source', feeding on supermassive black holes for millions of years
Scientists have revealed what they believe to have 'fed' supermassive black holes in the early universe.
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Bears 'hide' from hibernation due to warm weather
Conservation experts found that unusually warm weather was affecting the hibernation activity of brown bears.