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4/18 Cover

Matter & Energy

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Champagne bottles from shipwreck

Champagne recovered from a shipwreck off the coast of the Finnish Åland archipelago in the Baltic Sea has given chemists a glimpse of past winemaking methods.

Periodic table

FLEETING  Despite new results, controversy remains over where the radioactive element lawrencium (plus its upstairs neighbor lutetium) should be in the periodic table: in the d-block or f-block.

concentration of rubidium atoms

CLUMPED AND COLD  Stanford University physicists used images like this one, which depicts the concentration of rubidium atoms, to determine that they had cooled the atoms to a record-low temperature.

Matter & Energy

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