THIS DAY IN SCIENCE: Bali Tiger Is Extinct in 1937

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Is fire a solid, a liquid, or a gas? – TED Ed by Elizabeth Cox

Sitting around a campfire, you can feel its heat, smell the woody smoke, and hear it crackle. If you get too close, it burns your eyes and stings your nostrils. You could stare at the bright flames forever as they twist and flicker in endless incarnations… But what exactly are you looking at? Elizabeth Cox illuminates the science behind fire.

Lesson by Elizabeth Cox, directed by Héloïse Dorsan Rachet.

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