Food safety
How long can spices be used once opened?
Depending on the ingredients, ketchup, salad dressing or mustard can last several months to a year.
Long
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Articles about Long
3,445 published items.
Food safety
How long can leftovers from Tet be stored in the refrigerator?
During Tet, there is a lot of leftover food, making it more difficult to store in the refrigerator as well as increasing the risk of food poisoning if stored incorrectly.
Flu epidemic
First case of bird flu infection detected in the Antarctic region
Scientists have long feared the risk of the worst outbreak of highly pathogenic avian influenza (HPAI) in history in Antarctica, the main breeding ground for many bird s…
Health
How dangerous is red dust to health?
Red dust has soil dust components, it is not only construction dust but also belongs to the group of air pollutants.
Health
Frequently asked questions about rabies
How long does it take for rabies to develop after being bitten by a dog or cat, how does the rabies virus develop in the body... are common questions.
Science invention
Scientists invent a bifacial solar cell using the metamaterial perovskite
For a long time, perovskite has been honored as the leading supermaterial for the new generation of electrical devices.
History
The blue lake known as the 'long palace' in China hides the secret of an ancient and backward custom
The story of the old woman in the village has revealed the dark history lying beneath the blue water cave.
Science story
The history of orthodontics, braces and interesting secrets that few people know
Orthodontics may seem like a modern invention, but few people know that it has a long history.
Science story
'Special gold mine' in the harsh part of the Earth: More precious than lithium, the scientific world is constantly hunting!
What are scientists hunting in this arid core of the Atacama Desert in South America? The famous arid region on Earth has long been 'shunned' as a mostly lifeless wastel…
Oceanography
Discovering super rare fish in the sea
Drum-eye fish, living 600-800m above the surface of the water (called the twilight zone or mesozoic), fish with a transparent head that encases the eyes upward like mesm…
Space science
Lucy's Mission: Uncover the secrets of the Solar System's 'time capsule'
Lucy successfully made a long journey on October 16, 2021. Along the way, it will spend 12 years exploring alone in dark and deep space.
Photo library
Admire the 8 most poetic villages in the world, beautiful like a fairyland
Not only possessing a long-standing culture, these villages also have architectural features like coming out of a fairy tale.
Photo library
Top 8 interesting things that few people know about French cuisine
French cuisine contains something different from what we normally see.
Health
Controversy about the fruit that is said to prolong life by 5 years
Studies show that in rats, supplementing with two cups of grapes per day reduces fatty liver disease, increasing life expectancy. The authors believe that it also works…
Alien
Looking at 10,000-year-old paintings, experts wonder: Could the Earth have been designed in advance?
Why does the picture on a 10,000-year-old painting look like an extraterrestrial? Maybe they came to our planet a long time ago.