Scientific works
What really happened the day the Eiffel Tower appeared to the world in 1889?
Back in 1889, France held the Exposition Universelle, a world-wide fair with the highlight of the event being the Eiffel Tower.
Day
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Articles about Day
2,411 published items.
History
Revenge of the Princess Regent of the Grand Duchy of Kievan Rus
The canonized princess of the grand duchy of Kievan Rus, in present-day Ukraine, Russia and Belarus, carried out terrible revenge against the tribe that killed her husba…
Health
What is sleep delay? How harmful is delaying sleep?
You've had a long tiring day, even though it's time to go to bed, but instead of going to sleep, you want to stay awake and alert, and are absorbed in watching a show or…
New technology
Coming soon, neck-mounted air conditioner, cool all day but only 3.6 million
The Metaura Pro is claimed to be the world's first neck-worn air conditioner capable of continuously blowing cold air to keep the wearer cool.
Science Events
China completes 174-day Antarctic expedition
Two Chinese icebreakers have returned to Shanghai one by one, ending the country's 38th Antarctic expedition.
Space science
Photographer who spent 10 years capturing 48 beautiful colors of the Moon
It turns out that the moon is not only gray or dark gray as we often see, instead its color is extremely diverse.
Scientific works
How does a solar power station in outer space work?
Solar power stations in space receive light continuously 24 hours a day but require high costs and high risk of failure.
Environment
By 2030, there may be 1.5 natural disasters every day
The world will face 1.5 disasters per day, or 560 disasters per year, by 2030 if humanity continues to increase the earth's temperature and ignore the risks of climate c…
Health
What makes citrus fruit the number 1 choice in summer?
Just eating citrus fruits every day also provides enough vitamin C for the body. One large orange provides 65-95 mg of vitamin C, more than the amount recommended by doc…
Science invention
The lamp distills seawater, recharges with salt and solar energy of the architecture student
In remote areas or in underdeveloped populations, providing safe and clean water for everyone is one of the most pressing public health issues.
History
What happened to Aksum, the fourth great empire of the ancient world?
The Kingdom of Axxum or the Aksum Empire was an ancient kingdom located in present-day Eritrea and the Tigray region of Ethiopia.
World celebrity
Proposing 'top notch' like Thomas Edison: Just say 1 sentence, the other half agreed immediately!
Smart, talented, great scientist has his own way to show his love.
Funny corner
Why do Thais splash water on Songkran?
Songkran is the biggest and most famous festival of the land of golden pagodas, attracting millions of visitors every year with water splashing activities.
Health
7 secrets to help Indians stay healthy and young for a long time
Indians not only take care of their health on the outside, but also focus on finding out the core problems inside. They care about the stomach and the digestive system
Health
Sleeping more than 8 hours a day and the unexpected harms
Everyone knows that lack of sleep can lead to many serious health problems. But not everyone knows how to sleep longer than 8 hours a day