Alaska Blackfish in a World of its Own

Alaska Blackfish in a World of its Own

The Alaska blackfish is an evolutionary loner that fins through lakes and tundra ponds across much of the state. Not much larger than a banana, the fish is different from others in the state because in addition to gathering oxygen through its gills, it can pull oxygen from free air.

From Unalakleet to San Francisco

From Unalakleet to San Francisco

Mellisa Johnson is a Native woman who grew up in Nome and now lives in Anchorage. She came to San Francisco at the invite of scientists to tell of changes more bizarre in her world than a tornado would be in downtown San Francisco.

Dirty Glaciers All Over the World

Dirty Glaciers All Over the World

Adding dirt to ice makes it darker, which can help it absorb more sunlight. About one-quarter inch of rocks on top of glacier ice acts like a black tarp, melting the glacier faster. If the rock coating is thicker, which is often the case, it acts as insulation.