Featured in Domain Arrivals · 2026-08-15
肌カルテ: A Private Skin Diary by Body Part
A free Japanese app for tracking skin condition across seven facial areas, alongside sleep, food, skincare, washing habits, and photos.
Why it surfaced肌カルテ keeps its records and photos on the device, then compares the entries statistically to suggest which factors may affect which parts of the face. It also offers export tools and a written summary for bringing the record to a dermatologist—an unusually considered touch for a small personal tracker.
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The Two-Tonne Temperature Problem
August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.
This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.