Domain Arrivals
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Featured in Domain Arrivals · 2026-08-15

The Call — a microscopy guessing game

scopethecall.com ↗ · Learning & Exams · score 86.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A daily pathology game that asks players to identify what they see in public-domain microscopy fields.

Why it surfaced

The site turns a highly technical skill into a compact guessing game: six fields per tray, four possible diagnoses, and a loupe for inspecting the image. It draws on 107 public-domain or freely licensed teaching files and is careful to say that it is practice, not medical advice.

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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.

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A free, open learning site covering humanoid-robot mechanics, electronics, software, control algorithms, projects, and frontier research.

 Sankofa Code Turns Coding Lessons Into Software sankofacode.org

A free JavaScript and Python curriculum for Black learners, schools, and underfunded communities, taught through live exercises and progressively larger projects.

 BookPass: A Taiwanese Bookkeeping Exam Archive gobookpass.com

A free study site collecting 1,181 questions from ten years of Taiwan’s national bookkeeping exam, with official answers and AI-written explanations.