The Ascend Lab

Evidence over enthusiasm.

Long-form writing on performance, health, and the research behind both.

The Recovery Metric Everyone Tracks and Almost Nobody Uses Properly

Heart rate variability is a real signal. It is also the most misread number in consumer fitness.

Four typographic decisions that separate software that feels considered from software that does not.

You cannot repay it on Saturday, and the metaphor is doing real damage to how people plan their weeks.