What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

What causes panic attacks, and how can you prevent them? – Cindy J. Aaronson

The body becomes its own corset. Past, present, and future exist as a single force. A swing without gravity soars to a terrifying height. The outlines of people and things...

Can we create the "perfect" farm? - Brent Loken

Can we create the “perfect” farm? – Brent Loken

Transcriber: TED Translators Admin Reviewer: Mirjana Čutura About 10,000 years ago, humans began to farm. This agricultural revolution was a turning point in our history that enabled people to settle,...

Which type of milk is best for you? - Jonathan J. O’Sullivan & Grace E. Cunningham

Which type of milk is best for you? – Jonathan J. O’Sullivan & Grace E. Cunningham

If you go to the store in search of milk, there are a dizzying number of products to choose from. There’s dairy milk, but also plant-based products. To turn a...

What if there were 1 trillion more trees? - Jean-François Bastin

What if there were 1 trillion more trees? – Jean-François Bastin

Standing at almost 84 meters tall, this is the largest known living tree on the planet. Nicknamed General Sherman, this giant sequoia has sequestered roughly 1,400 tons of atmospheric carbon...

Why do you get a fever when you're sick? - Christian Moro

Why do you get a fever when you’re sick? – Christian Moro

In 1917, doctors proposed an outlandish treatment for syphilis, the incurable bacterial infection that had ravaged Europe for centuries. Step 1: Infect patients suffering from the later stages of syphilis...

How fast is the speed of thought? - Seena Mathew

How fast is the speed of thought? – Seena Mathew

Your mortal enemy has captured you and hooked you up to a bizarre experiment. He’s extended your nervous system with one very long neuron to a target about 70 meters...

The most colorful gemstones on Earth - Jeff Dekofsky

The most colorful gemstones on Earth – Jeff Dekofsky

On an auspicious day in November of 1986, 5 Australian miners climbed Lunatic Hill— so named for the mental state anyone would be in to dig there. While their competitors...

The world’s largest organism - Alex Rosenthal

The world’s largest organism – Alex Rosenthal

This is Goliath, the krill. Don’t get too attached. Today this 1 centimeter crustacean will share the same fate as 40 million of his closest friends: a life sentence in...

Who decides how long a second is? - John Kitching

Who decides how long a second is? – John Kitching

In 1967, researchers from around the world gathered to answer a long-running scientific question— just how long is a second? It might seem obvious at first. A second is the...

Why bats don't get sick - Arinjay Banerjee

Why bats don’t get sick – Arinjay Banerjee

If this bat were a human, she’d be in deep trouble. She’s infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola. But while her diagnosis would...

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