Russian vaccine appears safe and effective against COVID-19, according to a report in The Lancet.

Mega Disasters | Tornado | Disaster Documentary

Mega Disasters - Biggest Volcanic Eruptions: https://youtu.be/fZM5SXuMYR4

An investigation into the anatomy of a tornado: from the science behind recent events, ramping to a mega tornado that’s yet to happen…

History Of Warfare - The Spanish Armada - Full Documentary

The Spanish Armada was an enormous 130-ship naval fleet dispatched by Spain in 1588 as part of a planned invasion of England. Following years of hostilities between Spain and England, King Philip…

In the first episode, Professor Joann Fletcher goes in search of the building blocks of Egyptian civilisation and finds out what made ancient Egypt the incredible civilisation that it was.

Joann sees how people here changed, in just a few centuries, from…

Diamond Mining - Inside the Largest Mine in the World | Free Documentary Shorts

Watch 'Road of Bones: A Trip On the Coldest Road In The World' here: https://youtu.be/pzoYy-j1snY

Diamonds are the most coveted stones worldwide and have been mined for decades.…

"We’re not aliens!" say young German Jews. They want to be seen as normal young people. But even in 2021, fitting into German society doesn’t come easily.

What does it mean to be the only Jew in the whole school? This is a film about dealing with clichés…

Even before COVID-19, New York was already defined by a gap between the rich and poor. Yet during the pandemic, wealth has become a determinant of survival.
The pandemic hit New York in the spring, with almost 800 people dying from COVID-19 each day in April.…

Insecticides are sometimes necessary in farming. But some substances, like neonicotinoids, kill not only pests but bees as well. Now the Bayer Group, one of the main manufacturers of these pesticides, is coming under pressure.

Scientists around the world…

Vertical farming saves water, land, and energy — and it could be how we grow food on Mars.

Subscribe here: http://freeth.ink/youtube-subscribe-verticalfarming

Vertical farming is a type of indoor farming where crops are grown in stacked layers, rather…

00:00 - Before and after footage
00:22 - Introduction
00:42 - Floods led to land degradation
02:11 - Using community knowledge
02:51 - Constructing a tank to store water
05:18 - Water changes the landscape
06:37 - More water harvesting structures
07:30 -…

The $100 Billion Dollar Ingredient making your Food Toxic
28:20 minutes

https://youtu.be/rQmqVVmMB3k

Cinco alimentos para mantener nuestro sistema inmunológico fortalecido para evitar ser más vulnerables de contagios de infecciones

The shorter days of winter can dampen our spirits and trigger anxiety, fatigue, and depression. In some places above the Arctic Circle, where winter is the longest season, the inhabitants don't see the sun from November until February. But what can be done…

The centuries-old abacus, once a common tool in many countries, has now been abandoned around the world. But in Japan, thousands of students are still taught proficiency on the abacus.

Advocates argue that sliding the beads up and down with your fingers…

View full lesson: http://ed.ted.com/lessons/what-causes-cavities-mel-rosenberg

When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes.…

Scientists once thought that the brain was locked in place after puberty. But new technology shows that our brain continues to rewire itself and never stops changing as we age.

Video by Fernando Teixeira & Izabela Cardoso
Executive Producer: Camelia Sadeghzadeh…