LifePenguins' sense of taste hobbled by their icy habitat Would you serve penguins lemon sole? It might go down well: genetic screening shows they haven't the chemical tools for anything but salty and sour flavours ¿ìè¶ÌÊÓÆµ
EarthThe world pays too high a price for cheap meat Health worries won't curtail the growing global appetite for meat – perhaps environmental concerns will be more persuasive Leader