Parity on the Pitch

On Trails

Earth's earliest known forms of animal life were trailblazers.

Spirit of Lake Superior

A lone cedar embodies the determination and resilience of the Ojibwe people.

Another Tenderfoot

Reflections on lessons learned by another young scientist eighty years ago.

No Man's Land

An interview with the filmmaker Ken Burns

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Recent Stories

A true but unlikely tale

Story and Photographs by William Rowan

Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.

Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.

Evapotranspiration is the largest source of water vapor in the Congo rainforest during the spring rainy season.