1. Volume 20, Issue 11, Pages R461-R462 (June 2010)
New focus on tar sands 
Nigel Williams 
Current Biology 
Volume 20, Issue 11, Pages R461-R462 (June 2010)
DOI: /j.cub
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2. Spreading: Extraction of oil from tar sands is attracting growing interest as crude oil prices rise in spite of the environmental impact. (Photo: Silverstreak photo/Alamy.)
Current Biology  , R461-R462DOI: ( /j.cub )
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3. Repercussions: The oil spill in the Gulf of Mexico is highlighting the potential cost of environmental problems with conventional oil-extraction strategies. (Photo: Getty Images.)
Current Biology  , R461-R462DOI: ( /j.cub )
Copyright © 2010 Elsevier Ltd Terms and Conditions