5,502 results
5,502 results for: Forests
- Earth
The Arctic was once warmer, covered by trees
Pliocene epoch featured greenhouse gas levels similar to today's but with higher average temperatures.
- Life
Viruses and mucus team up to ward off bacteria
Phages may play an unforeseen role in immune protection, researchers find.
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Longleaf, Far as the Eye Can See by Bill Finch, Beth M. Young, Rhett Johnson and John C. Hall
A series of photographs enriches this tribute to disappearing longleaf pine forests, which once covered over 90 million acres of North America. Univ. of North Carolina, 2012, 176 p., $35
- Environment
Cool Idea
While nations concede a pressing need for attacking carbon dioxide emissions, other pollutants offer quicker paybacks.
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Humankind’s destructive streak may be older than the species itself
Some scientists have proposed designating a new geological epoch, the Anthropocene, that would cover the period since humans became the predominant environmental force on the planet. But when would you have it begin? Some geologists argue that the Anthropocene began with the Industrial Revolution, when fossil fuel consumption started influencing climate. Others point back several […]
- Humans
Cold spells were dark times in Eastern Europe
Cooler periods coincided with conflicts and disease outbreaks, a tree-ring study spanning the last millennium finds.
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- Health & Medicine
Bioengineered kidney transplanted into rat
Cleansed of cells and repopulated anew, bioengineered organ successfully produces urine.
- Animals
Embracing the swarm
Entomologist Michael Raupp is enjoying Swarmageddon. The giant batch of cicadas began emerging from the ground in late April and will be heard in some northeastern states through June.
- Microbes
The vast virome
When it comes to the microbiome, bacteria get all the press. But virologists are starting to realize that their subjects also do a lot more than make people sick.
- Chemistry
Supersmall lab-on-a-chip is superfast
Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.
- Animals
Better bird nesting also good for giant manta rays
Disrupting tree canopies on a Pacific atoll discourages big fish off shore through a long chain of ecological consequences.
