Can You Be Awake And Asleep At The Same Time? – Masako Tamaki

Can You Be Awake And Asleep At The Same Time? – Masako Tamaki

What Is It?

Here is the description for this video:

Discover the phenomenon known as asymmetrical sleep, where parts of an animal’s brain are asleep while other areas remain active.

Many animals need sleep. But all the threats and demands animals face don’t just go away when it’s time to doze. That’s why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the brain are asleep, and other areas are more active. So, how does it work? Masako Tamaki explores how animals’ brains remain vigilant even at their most vulnerable.

Lesson by Masako Tamaki, directed by Biljana Labović.
Animated by Iva Ćirić, designed by Manja Ćirić.

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What Makes A Language… A Language? – Martin Hilpert

What Makes A Language… A Language? – Martin Hilpert

What is it?

The YouTube video What Makes A Language… A Language? – Martin Hilpert by the YouTube channel TED-Ed, here is the description for this video:

Dig into the distinction between a language and a dialect, and uncover the history of standardized languages.

Outside of China, Mandarin and Cantonese are often referred to as Chinese dialects, despite being even more dissimilar than Spanish and Italian. On the other hand, speakers of Danish, Norwegian, and Swedish, which are three distinct languages, can usually communicate with each other in their native tongues. So, when is speech considered a dialect versus a language? Martin Hilpert investigates.

Lesson by Martin Hilpert, directed by Luísa M H Copetti, Hype CG.

The Rise And Fall Of The Lakota Empire – Pekka Hämäläinen

The rise and fall of the Lakota Empire – Pekka Hämäläinen

What is it?

The YouTube video The Rise And Fall Of The Lakota Empire – Pekka Hämäläinen by the YouTube channel TED-Ed, and here is the description for this video:

Trace the rise and fall of the Lakota Empire, which, at their height, were the most dominant power in the American West.

In 1776, a powerful empire was born in North America. The Lakotas had reached the Black Hills, the most sacred place and most coveted buffalo hunting grounds in the western plains. Located in what is now South Dakota, control of the Black Hills, or Paha Sapa, marked the tribe as the dominant power in the American West. Pekka Hämäläinen explores the rise and fall of the Lakota Empire.

Lesson by Pekka Hämäläinen, directed by Mohammad Babakoohi & Yijia Cao.

How The COVID-19 Vaccines Were Created So Quickly – Kaitlyn Sadtler And Elizabeth Wayne

How The COVID-19 Vaccines Were Created So Quickly – Kaitlyn Sadtler And Elizabeth Wayne

What is it?

The YouTube video How The COVID-19 Vaccines Were Created So Quickly – Kaitlyn Sadtler And Elizabeth Wayne by the YouTube channel TED-Ed, here is the description for this video:

Discover how mRNA vaccines help your immune system fight viral infections and how this decades-old technology was used to create COVID-19 vaccines.

In the 20th century, most vaccines took over a decade to research, test, and produce. But the vaccines for COVID-19 were cleared for emergency use in less than 11 months. The secret behind this speed is a medical technology that’s been developing for decades: the mRNA vaccine. So how do these revolutionary vaccines work? Kaitlyn Sadtler and Elizabeth Wayne dig into the science of mRNA technology.

Lesson by Kaitlyn Sadtler and Elizabeth Wayne, directed by Igor Ćorić, Artrake Studio.

Debunking The Myth Of The Lost Cause: A Lie Embedded In American History – Karen L. Cox

Debunking the myth of the Lost Cause: A lie embedded in American history – Karen L. Cox

What is it?

Here is how TED-Ed describes this video:

Examine the myth of the Lost Cause: a campaign created by pro-Confederates after the Civil War to promote the lie that they seceded for state’s rights.

In the 1860s, 11 southern states withdrew from the United States and formed the Confederacy. They seceded in response to the growing movement for the nationwide abolition of slavery. Yet barely a year after the Civil War ended, southern sources began claiming the conflict was about state’s rights. How did this revisionist history come about? Karen L. Cox examines the cultural myth of the Lost Cause.

Lesson by Karen L. Cox, directed by Anton Bogaty.

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