- Why are medical masks in black, white, gray, pink and blue different?

Why is there many different colors in medical masks? Wearing black, pink medical masks ... harmful or not?
- Huawei donated 500,000 masks to Japan to join hands to combat COVID-19

Besides Japan, Huawei said it will soon send aid to Ireland in the near future.
- Iron rain on the planet 'hell' 640 Earth light years

Astronomers have discovered the most extreme planet in the universe with scorching heat, creating iron rains in the atmosphere.
- Mathematics shows that although the Premier League is delayed, Liverpool will still be the champions

Do not watch the scene of lifting the trophy early, had to use mathematical models to calculate sadness.
- The mystery of people using poison as a tonic in 19th century Europe

Arsenic is known today as a health hazard, but in the past it has been considered a tonic.
- LEGO pieces can last up to 1,300 years in the ocean

Plastic is ubiquitous in the oceans, including the deepest areas. They still exist and hide under the water, like a real life horror story.
- How clean are astronauts keeping the space station?

Because of not keeping clean, Russia's Mir space station became damaged after only 12 years. What did the astronaut on the International Space Station do to make it still work
- What is ECMO? In which case does the patient need ECMO intervention?

ECMO is a method of oxidation through the outer membrane of the body. Doctors will use a circulatory system to perform oxygen exchange on the outside of a patient with severe
- How to disinfect clothes at home to prevent the Covid-19 epidemic

Below is a video to guide some simple home disinfection methods to help eradicate corona virus of China Centers for Disease Control and Prevention, please follow and refer to it.
- Read the weekend: Semmelweis and the age of the doctors with dead hands

Austrian doctor, The tragic story of the doctor who should have saved the most lives in human history.
- How did the world's most powerful supercomputer help science fight the Covid-19 epidemic?

Thanks to breakthroughs in computer technology in recent years, it is easy for us to breathe a little during the Covid-19 pandemic.
- Fujifilm rose to prominence during the pandemic thanks to China's 'effective' Covid-19 remedy

In the future, we will get used to the concept of 'medicine from Fujifilm'.
- Why do adult bodies have 206 bones but babies have 300?

When born, the child's body has about 300 bones, but when the number of adults is only 206. So, why when growing up the number of human bones less?
- Detecting that employees were positive for Covid-19, NASA had to lay off nearly 17,000 employees to avoid the outbreak

This is the first time in NASA history that employees have to take a vacation.
- Why do dead cockroaches often back up to the sky

Sometimes we see some obnoxious cockroaches dying around the house, and they are always in the position to expose their stomach, right? So, why do dead cockroaches often tilt
- The Earth has just recorded the hottest January in history

In recent years, the world climate has continuously recorded extremely unusual developments, especially the alarming increase in the planet's temperature.
- This is how miners can lend a hand against the Covid-19 pandemic

Once again, the community can join hands in the research to fight disease by contributing its processing power from its PC.
- Thanks to the broken antenna, the scientists solved the 58-year secret of physics

Another success is due to luck.
- Expert: There will be no lifelong immunity to SARS-CoV-2

A Russian expert said that immunity to the new strain of coronavirus (SARS-CoV-2) that causes COVID-19 acute respiratory infections will not be sustainable and is not a lifelong
- How to nap scientifically for a healthy and alert body

Many people after the afternoon nap feel tired as if they were drained of energy. So how much nap is science, how much sleep is enough, how to sleep properly to help you stay fit