The year in science news was dominated by the discovery of the Higgs boson, ending a 50-year search for the keystone in our best theory of physics.
But 2012 was also marked by the arrival of a one-tonne rover on the surface of Mars, a record low for Arctic sea ice and - of course - a crab called Hasselhoff.
BBC News website science editor Paul Rincon looks back at an eventful year in science and the environment.
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Interesting stuff!