Dr. Mayilvelnathan Vivekananthan is not a medical doctor—he's a solar researcher with a PhD in Thermal Energy Storage—but he posted this amusing photo of a would-be motivational public health initiative painted on the steps of a metro station in Chennai:

Naysaying commenters have pointed out that the calorie count isn't close to accurate and cannot be universally applied, but I think it's the thought that counts: Just reinforcing the idea that we can take little steps (no pun intended) each day to improve our health, even if marginally. I think it's a great initiative, and I'd love to see how it could be expanded into other areas where we regularly have an opportunity to burn a few extra calories.