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What do you know?

Maybe you're not a teacher. But who hasn't
learned something worth sharing, even if it's
just a "lesson learned”?

Sharing knowledge brightens the world.
What you know and share might liberate
another, break down cultural barriers,
increase tolerance, or simply bring hope
and happiness.

Share what you love: an inspiring video,
a lecture, a tutorial, personal insights,
or life stories. But if you're a school teacher
or university professor, post what you love to
teach. Either way, the world will be better for it.
Knowledge that could save your life.
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Knowledge that could save your life.

Edwin was at home alone having some lunch. He took a bite from his sandwich and began to swallow when, suddenly, he was unable to breathe. The…