Feature
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		ComputingComputing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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		SpaceWhiff of Martian methane offers lively possibilities
The definitive discovery in Mars’ atmosphere of methane — often, but not always, a compound hinting at life — introduces the possibility of underground organisms.
By Ron Cowen - 			
			
		NeuroscienceIt’s written all over your face
To potential mates, your mug may reveal more than you think.
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		MicrobesTeam spirit
Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
By Susan Gaidos - 			
			
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		Health & MedicineBody & Brain: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Body & Brain. Follow hotlinks to the full, original stories.
By Science News - 			
			
		Science & Society2008: Science news of the year
Science News editors and writers survey the top news from the world of science in 2008. The selected stories are featured in this year-end issue, with links to the original, longer stories.
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		ChemistryMolecules: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Molecules. Follow hotlinks to the full, original stories.
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		EarthEnvironment: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Environment. Follow hotlinks to the full, original stories.
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		MathNumbers: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Numbers. Follow hotlinks to the full, original stories.
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		EarthEarth: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Earth. Follow hotlinks to the full, original stories.
By Science News