Site of the dayOur projectcalclumen.comenWorldwide
CalcLumen: Everyday Calculators
124 free calculators and converters for mortgages, interest, home projects, health and dates. No signup, and every tool comes with a plain-English explainer and FAQ.
Issue No. 21
Issue of 15 October 2026
Site of the dayOur project
Telegram of the day@officialesssenEthiopia
Ethiopian Space Science Society: space from Addis Ababa
The official channel of the Ethiopian Space Science Society: summer space schools, an astronomy book club, eclipse livestreams and science explainers.
Instagram of the day@dailyoverviewenWorldwide
Daily Overview: Earth from satellite view
Daily Overview posts satellite images with exact coordinates: Brazilian dunes, central Rome, desert cities. Each frame looks like abstract art until you read the caption.
TikTok of the day@tomwaylingenWorldwide
Tom Ayling's rare books
An antiquarian bookseller turns pages of old books and manuscripts on camera and explains what makes each copy special.
Pinterest of the dayдоска «Botanique»mixWorldwide
Gallica: botany from France's National Library
A Gallica board with nearly a thousand botanical drawings, herbaria and pages from old textbooks, all drawn from the Bibliothèque nationale de France.
Mongolia of the day@ARTGERmixMongolia
ARTGER: Mongolia's nomad kitchens
A YouTube channel following Mongolian nomad families: Altai goat herders, Gobi camel breeders, Naadam feasts and a hard winter up north.
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