Why good leaders make you feel safe | Simon Sinek

Why good leaders make you feel safe | Simon Sinek

What makes a great leader? Management theorist Simon Sinek suggests, it’s someone who makes their employees feel secure, who draws staffers into a circle of trust. But creating trust and safety —... Read more »
Why is Marie Antoinette so controversial? - Carolyn Harris

Why is Marie Antoinette so controversial? – Carolyn Harris

Marie Antoinette became a symbol for the evils of excess— but was she a wasteful queen or a convenient scapegoat? You decide. — She was the Queen of France, notorious for living... Read more »
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Why certain naturally occurring wildfires are necessary – Jim Schulz

View full lesson: http://ed.ted.com/lessons/why-wildfires-are-necessary-jim-schulz Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet,... Read more »

The psychology of post-traumatic stress disorder – Joelle Rabow Maletis

Get informed on the science behind post-traumatic stress disorder, PTSD, its symptoms and how the brain reacts to trauma. — Many of us will experience some kind of trauma during our lifetime.... Read more »

How not to be ignorant about the world | Hans and Ola Rosling

How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical... Read more »

Run, sail, or hide? How to survive the destruction of Pompeii – Gary Devore

Download a free audiobook version of “Into Thin Air“ and support TED-Ed’s nonprofit mission: https://www.audible.com/ted-ed — It’s a bustling day in Pompeii. After a quick visit to the market, Fabia spots her... Read more »

What is entropy? – Jeff Phillips

View full lesson: http://ed.ted.com/lessons/what-is-entropy-jeff-phillips There’s a concept that’s crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads... Read more »

Whatever happened to acid rain? – Joseph Goffman

Discover what causes acid rain, and how scientists were able to largely eliminate this major environmental threat. — In 1963, scientists studying Hubbard Brook Experimental Forest made a shocking discovery. Their most... Read more »

How do ocean currents work? – Jennifer Verduin

Dive into the science of ocean currents (including the Global Conveyor Belt current), and find out how climate change affects them. — In 1992, a cargo ship carrying bath toys got caught... Read more »

Why is biodiversity so important? – Kim Preshoff

View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planet’s diverse, thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes... Read more »