Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?
SciShow Finds: https://scishowfinds.com/
Written by: Roxanne Palmer and Julie Rossman, World Science Festival Whether you make a point of going on leaf-peeping excursions or just enjoy the turning leaves shading your street, you probably... read more
By Steve Spangler Stack seven different liquids in seven different layers. Anyone can stack blocks, boxes, or books, but only those with a steady hand and a little understanding of chemistry can... read more
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