12 from '12: Weather & Science

Philly.com's end-of-year roundup of the top weather and science stories of 2012.

Global warming


Is global warming real?

Exploring Mars


Should the U.S. spend tens of billions of dollars to build an outpost on the moon?

Higgs boson discovery


Do you know what Higgs boson is?

Photos: The year in Weather/Science

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