A new study found a simple and powerful way to control particles and form crystals: illuminating them. The research provides a simple and reversible method for forming crystals that can be used to develop a new generation of adaptable materials.

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But the OECD warns this strength comes with growing strains. Like most countries, the Netherlands faces an ageing population, so as more people retire fewer are in the workforce.

分析:伊朗政權架構仍在運作,未來幾天將顯示它是否能夠撐下去

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Anger with Hezbollah boils as war returns to weary Beirut

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