21/09/16

Take vitamin C supplements when you feel a cold coming on? The problem is, you can’t actually “strengthen” your immune system, says Dr. Jen Gunter. Diving into the elegant network of cells, tissues and organs that protect us every day, she introduces two kinds of immunity that specialize in recognizing and fighting off bad bacteria, viruses, fungi and toxins – and shares what you can do to keep your immune system healthy.

 

 

 

 

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(1920)

21/09/07

If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed as a bitter, foamy drink in Mesoamerica. So how did we get from a bitter beverage to the chocolate bars of today? Deanna Pucciarelli traces the fascinating and often cruel history of chocolate.

 

 

 

 

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(1916)

21/08/31

Designer Jessi Arrington packed nothing for TEDActive but 7 pairs of undies, buying the rest of her clothes in thrift stores around LA. It’s a meditation on conscious consumption — wrapped in a rainbow of color and creativity.

 

 

 

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(1877)

21/08/26

Best Vineyards In The World

(Take Five, Part II)

 

 

 

 

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(1874)

21/08/06

Towering 85 meters above the Norwegian countryside, Mjøstårnet is the world’s tallest wooden building, made almost entirely from the trees of neighboring forests. But as recently as the end of the 20th century, engineers thought it was impossible to build a wooden building over 6 stories tall. So how do wooden structures like this compare to steel and concrete skyscrapers?

 

 

 

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(1849)