As your relatable fitness, health, and happiness guide, we at Greatist strive to bring our readers amazing content on daily basis. Of course, not all of the best stuff comes from us! In this week’s link roundup, we highlight our favorite can’t-miss videos, articles, and opinions from the interwebz:

David Boffa — The Training Hall

Cultural and fitness observations from the 2010 World Weightlifting Championships.

FitSugar — What 150 Calories Looks Like

Need some perspective? Take the quiz and see if you’ve got an eye for calories.

Inc. — Should Your Employees Take Naps?

The Greatist Team sure does!

KIND — The Kinding Mission

Surprise someone this month with an unexpected act of kindness.