A lump of cyanobacteria on the shores of Lake Chad.

There is little to smell or taste when hiking through the Dry Valleys of Antarctica. The air, water, ice and rock give off few molecules detectable by the human taste buds or nose. But, lack of smell or taste in water does not mean that it is safe to drink, as the men in Scott's expedition discovered when they drank the water of Lake Chad in the Taylor Dry Valley. This is the story of how they came to name this lake, as told to me by Dr. John Priscu, and expert on the native life in the Dry Valleys.
Full dispatch >>