22.
The 1947 engineering project behind the British plug
The British plug’s safety comes from deliberate postwar design choices that make common child-electrocution failure modes much harder
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21.
Mister Rogers’ 22-year collaboration with a child psychologist
Fred Rogers shaped scripts, props, songs, and pacing around children’s nervous systems, showing how deeply researched calm television can be
26.
Finnish daycare yards got forest dirt; children’s blood tests changed
Researchers replaced gravel with forest soil and grass at daycare yards and saw measurable immune-related changes in children within a month