Today's signal (26 April 2026) Ten stories, observed plainly. We open with NSIDC's report on the Arctic sea ice annual maximum tying a forty-eight-year record low, then move through the Global Forest Watch integration of NASA's DIST-ALERT, the European Space Agency releasing Sentinel-1D's SAR data, and UC Davis's ClimateSOM visualisation tool — a piece of craft work on the ethics of keeping uncertainty visible. The design and culture block covers Alexis Mark's COBE rebrand drawn from departure boards, Spoon & Tamago's five spring exhibitions across Japan, and André Fu's reopening of the Four Seasons Marunouchi as a quiet sketch of where Tokyo as a brand is heading. The technology and meaning block looks at a Nature paper using LLMs to push a knowledge graph back into satellite imagery, an arXiv preprint proposing a three-stag ...