Tag «TEDEducation»

The history of tattoos – Addison Anderson

The history of tattoos – Addison Anderson

Thinking of getting a tattoo? Decorating your birthday suit would add another personal story to a history of tattoos stretching back at least 8000 years. Tattooed mummies from around the world attest to the universality of body modification across the millennia, and to the fact that you really were stuck with it forever if your …

The true story of ‘true’ – Gina Cooke

The true story of ‘true’ – Gina Cooke

Everyone knows that stories are made up of words, from short poems to epic novels. But did you know that a single word itself can tell an entire story? You see, just as we can look at a story’s plot, setting, and characters, we can also study the history of an individual word, where it …

How tsunamis work – Alex Gendler

How tsunamis work – Alex Gendler

In 479 BC, when Persian soldiers besieged the Greek city of Potidaea, the tide retreated much farther than usual, leaving a convenient invasion route. But this wasn’t a stroke of luck. Before they had crossed halfway, the water returned in a wave higher than anyone had ever seen, drowning the attackers. The Potiidaeans believed they …

What is the world wide web? – Twila Camp

What is the world wide web? – Twila Camp

The World Wide Web, where you’re likely watching this video, is used by millions of people every day for everything from checking the weather, ordering food, and chatting with friends to raising funds, sharing news, or starting revolutions. We use it from our computers, our phones, even our cars. It’s just there, all around us, …

The history of chocolate – Deanna Pucciarelli

If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed in Mesoamerica in a form quite different from what we know. As far back as 1900 BCE, the people of that region had learned to prepare the beans of the native cacao tree. The …