When you realize the supply is finite, you start cherishing what’s left: leisurely mornings, shared laughter, a quiet walk ...
“Numbers will vary among different experience levels, but when training for a half, someone might be in the 30- to 40-mile ...
The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...