As temperatures drop in Iowa this weekend, curiosity and concern about trees exploding from the cold have grown. Here's what really happens.
Tree sap is mostly water with sugars and minerals, and like many liquids, it expands when it freezes. Gradual freezes usually ...
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Why F1 cars don’t use coil springs like normal cars
Road cars use coil springs because they’re simple and durable. F1 cars don’t have that luxury. Weight, size, and airflow ...
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