The Factory | Think Like A Coder, Ep 9

From TED Ed. The adventure continues! Episode 9: Ethic, Hedge, and Lemma have made it to the last artifact: The Node of Memory. Can they retrieve it before the bots arrive? — This is episode 9 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion,…

What yoga does to your body and brain – Krishna Sudhir

From TED Ed. Explore the ancient tradition of yoga, and discover how its blend of physical and mental exercise impacts your health. — There are many different approaches to modern yoga— though most forms have three core elements: physical postures, breathing exercises, and spiritual contemplation.This blend of physical and mental exercise is widely believed to…

Can steroids save your life? – Anees Bahji

From TED Ed. Explore the science of how corticosteroids sneak into our cells to help fight allergic reactions, rashes, asthma, and harmful immune responses. — Steroids: they’re infamous for their use in sports. But they’re also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these…

How fast can a vaccine be made? – Dan Kwartler

From TED Ed. Dig into the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. — When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic, there’s an urgent need for a vaccine to create widespread immunity…

Which voting system is the best? – Alex Gendler

From TED Ed. Dive into four different voting systems: plurality, instant runoff, tactical, and the Condorcet method, and find out which is fairest. — Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to choose its location. Of the 100 colonists on…

When is a pandemic over?

From TED Ed. Explore the three strategies governments and communities can use to contain and end a pandemic, and find out which method is best. — Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide, and the WHO declares a pandemic. The death…

What is phantom traffic and why is it ruining your life? – Benjamin Seibold

From TED Ed. Download a free audiobook version of "Astrophysics for People in a Hurry" and support TED-Ed’s nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry — You’re cruising down the highway when all of a sudden endless rows of brake lights appear ahead. There’s no accident, no stoplight, no change in speed…

Why should you read “Moby Dick”? – Sascha Morrell

From TED Ed. Dive into Herman Melville’s classic novel “Moby Dick,” the story of Captain Ahab’s hunt for revenge against the white whale who bit off his leg. — A mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuffbox. These seemingly unrelated images take us…

How do ventilators work? – Alex Gendler

From TED Ed. Take a journey into the respiratory system to see how ventilators bypass constricted airways and help damaged lungs send oxygen to the body. — In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate…

How do virus tests actually work? – Cella Wright

From TED Ed. Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. — A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who’s been infected. Two main viral testing techniques are critical: one tells you if…

What is a coronavirus? – Elizabeth Cox

From TED Ed. Dig into the science of coronaviruses and find out how they cause diseases such as SARS, MERS, and COVID-19. — For almost a decade, scientists chased the source of a deadly new virus through China’s tallest mountains and most isolated caverns. They finally found it in the bats of Shitou Cave. The…