Latest Issue of Science News

4/18 Cover

Matter & Energy

Topic Image Rail

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.

Oil slick in the Gulf of Mexico

NO USE  Responders to the 2010 Deepwater Horizon spill hoped to prevent oil slicks by using dispersants to break up the oil into tiny droplets. A new study suggests using them at the wellhead didn’t accomplish much.

Matter & Energy

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