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.
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.
T. Kovachy et al/Physical Review Letters 2015
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.