
2010 was a roller coaster year for science news—think exoplanets, synthetic-life, arsenic-eating bacteria (or not!), earthquakes, volcanoes and of course, the Gulf oil spill.

2010 was a roller coaster year for science news—think exoplanets, synthetic-life, arsenic-eating bacteria (or not!), earthquakes, volcanoes and of course, the Gulf oil spill.

If there are several universes, are they like nesting dolls or more like swiss cheese?
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