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Why do Americans use Fahrenheit instead of Celsius?
The Fahrenheit scale was created by German scientist Daniel Gabriel Fahrenheit in 1724.
PER
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Articles about PER
10,159 published items.
Flu epidemic
WHO issues new recommendations on wearing masks to protect against coronavirus
WHO recommends that people believe that wearing masks alone can prevent the acute pneumonia caused by the new corona virus is completely wrong. Let's see how to wear a m…
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Why did the ancient Babylonian civilization perish? Was it because they considered 'that thing' a daily meal?
The Kingdom of Babylon (c. 3500 BC-729 BC) was located in the Mesopotamian plain, roughly in the territory of the present-day Republic of Iraq.
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Top 7 facts about the hottest place in the world, where you can fry eggs at outdoor temperature
The hottest, driest, and lowest national park above sea level - Death Valley is a land of extremes.
Space science
How did the Indian spacecraft survive the harsh cold on the dark side of the Moon?
India's Chandrayaan-3 spacecraft is on track to become the first scientific instrument to successfully survive the cold lunar night without heating.
Photo library
Rare photos of royals around the world 100 years ago
100 years ago, the appearance of royalty from countries around the world also had clear differences and diversity.
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Why can't humans feel the temperature inside the Earth when it's 6,000 degrees Celsius?
The temperature of the Earth's core is about 6,000 degrees Celsius, higher than the surface temperature of the Sun. Furthermore, the Earth's core is larger than the core…
Health
The real effects of ginseng on health
Ginseng is not a new herb to Vietnamese people, however not everyone clearly understands the effects of ginseng.
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Experiment from America: Unexpected things about alien creatures
It is entirely possible that aliens came into being from these things.
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Why do many people think aliens must be humanoid?
Have you ever wondered what they would be like if we actually encountered aliens one day?
Discover science
Top 5 truths behind Leonardo da Vinci's eternal masterpieces
To this day, the painting
Space science
Find out what created the most bizarre super objects in the universe
British scientists have uncovered a long-standing mystery in astronomy, involving the most bizarre things
Flu epidemic
Experiment shows Covid virus can shrink tumors of 4 types of late-stage cancer
Based on that effect, scientists could design a safe treatment using benign viruses or a vaccine using the RNA of the COVID virus itself.
Space science
A celestial body you see was born from Earth in just a few hours.
A new supercomputer simulation based on known data about Earth, the Moon and the hypothetical planet Theia has revealed a shocking piece of Earth's history.
Conquer Mars
5 special objects on the NASA robot that landed on Mars
The Perseverance rover will land on Mars on February 18 with many unique and meaningful objects.