Smiles
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Huge rebuilt locomotive delights railway buffs
Refurbished ‘Big Boy’ locomotive fires up crowds in US West
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Valentine’s Day: Five ways to ensure your flowers are ethical
Around the world, 250 million rose stems will be produced for the day
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Live cargo: How scientists pack butterflies, frogs and sea turtles for safe travels
Three researchers explain how they transport butterflies, sea turtles and endangered frogs safely between labs and the outdoors.