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primary source

Tutorial×4-20 minutes×Play all on YouTube
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Wim Hof breathing tutorial by Wim Hof10:08

Wim Hof breathing tutorial by Wim Hof

13.2M views • 8 years ago
Wim Hof
Wim Hof guides viewers step by step through his breathing method, with some explanation of the science he cites behind it. It stresses learning from the source and avoiding unsafe settings.
How to Get Good at Small Talk, and Even Enjoy It10:25

How to Get Good at Small Talk, and Even Enjoy It

2.7M views • 3 years ago
Harvard Business Review
A Harvard Business Review video with tactics for getting better at small talk and enjoying it, such as setting goals, allowing pauses, and starting and ending conversations.