A step toward artificial photosynthesis: Scientists recreate light-harvesting supramolecules

(Couleur / pexels.com) (Couleur / pexels.com)

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U.S.-Canada migration deal aims to end walk-around crossings

The immigration deal announced Friday by U.S. President Joe Biden and Prime Minister Justin Trudeau aims to shut down a process that has enabled tens of thousands of immigrants from across the world to move between the two countries along a back road between New York state and Quebec.