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Symbiotic bacteria -- microbes that have close and long-term relationships with their "hosts" -- are everywhere on Earth: in soil, in coral reefs, in humans. Through a new National Science Foundation...
Have you looked closely at a stream, lake or woodland and observed changes in it over time? That's exactly what scientists are trying to do on a larger, regional-to-continental scale -- a macrosystems...
Rapid changes are happening in the Arctic: ice cover is shrinking, permafrost is thawing. But what's happening to ground-dwelling species such as mosses? Mosses are critical parts of nutrient cycles ...
How and why life changes over time depends on an understanding of the relationships among living and extinct organisms (phylogeny).Over the past decade, progress in gathering and analyzing such phylog...
How and why life changes over time depends on an understanding of the relationships among living and extinct organisms (phylogeny).Over the past decade, progress in gathering and analyzing s...
Rapid changes are happening in the Arctic: ice cover is shrinking, permafrost is thawing. But what's happening to ground-dwelling species such as mosses?Mosses are critical parts of nutrient cycles in...

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