- 5 strongest wind tunnels in the world

A wind tunnel is a machine that simulates the flow of air through objects, helping to test the aerodynamics of countless aircraft and missiles.
- Steve Jobs' most controversial design

Even Apple employees have said that this style is 'embarrassing, terrible'.
- 5 eternal fires in the world

Eternal fire is a fire born from natural gas or created by human intervention and burns for a long time without extinguishing.
- Discovering another human 'weapons factory' in a quarry in Israel

Hidden in a quarry in the Upper Galilee region of Israel is an entire 'weapons factory' that existed 1.6 million years before our species Homo sapiens was born.
- Harvard University removed the human skin used as a book cover

After the book's human skin cover is removed, interested people can still read the book's content directly at the Harvard library or online.
- If there is an apocalypse due to climate change, this Earth black box will store all the data

The Earth black box project hopes to evoke awareness of environmental protection on a global scale both now and in the future.
- Prehistoric women were more suited to hunting than men?

According to some new research, prehistoric women not only regularly participated in hunting, but they also had more favorable physiology for this activity than men.
- What happened to the Alexandria lighthouse?

As one of the seven wonders of the ancient world, the lighthouse stood tall over the port of Alexandria (Egypt) for many centuries.
- Who discovered X-rays?

In 1895, during his research, Röntgen discovered a new type of radiant energy that passed through solid objects and created mysterious light.
- The world's largest gold vault, no bomb can destroy it

This gold vault is said to be the safest in the world. Since the day it started operating, the gold vault has not had any incidents.
- The world's largest fusion reactor, as tall as 6 buildings in Japan

The JT-60SA reactor is as tall as 6 buildings in Japan and is the world's largest experimental fusion reactor in operation. The JT-60SA will create hot plasma up to 200 million
- Why did the Soviets never set foot on the Moon?

The dream of a Soviet astronaut walking on the moon faded away on a launch pad in Kazakhstan in the summer of 1969.
- The most exotic waterfalls in the world

Blood waterfall, fire waterfall or horizontal waterfall ... are strange but no less spectacular waterfalls, which have a special attraction for those who love to explore.
- Decipher the miracle on the Hudson River 11 years ago

On January 15, 2009, Captain Chesley Sullenberger created a 'miracle on the Hudson River' when he crashed the plane for emergency relief on the Hudson River, USA. Thanks to the
- Learn the 4 most expensive fabrics in the world

So what makes the clothes or fashion accessories so expensive? Brand, design, ... and sometimes even unique materials.
- The bloodiest periods in human history

About 100 million people died as a result of a conflict between aboriginals and Europeans on the American continent, while about 60 million died from Mongolian invasions.
- Why did bats survive carrying deadly virus?

The Covid-19 pandemic made us deeply aware that bats have a strange ability to carry deadly viruses but somehow survived.
- Interesting little known story about the first iPhone of Apple

Shortly, the original iPhone will only have a plastic screen, easy to scratch if Steve Jobs is not resolute.
- Warm sea currents beneath the Arctic ice are 'melting' the thick layer of ice, which can cause sea levels to rise by a meter

Sea level rise is caused by melting ice, but also because the sea ice is deep below
- If you drain all the water from the sea, what will the Earth look like?

The longest mountain range in the world with up to 90% of its parts beneath the sea, bridges connecting the continents, ... are all revealed in this NASA video.