5,496 results
5,496 results for: Forests
- Humans
Aerial radar sizes up ancient urban sprawl
Angkor, the capital of Cambodia's Khmer empire, included carefully planned suburbs that spread across the landscape.
- Anthropology
Ancient farming populations went boom, then bust
Agriculture’s introduction led to big falls as well as rises in numbers of Europeans.
- Life
Year in Review: Bioengineers make headway on human body parts
New techniques produce mimics of brain, liver, heart, kidney, retina.
- Life
Trees worldwide a sip away from dehydration
Plumbing systems operate on a razor’s edge, making even moist forests highly vulnerable to drought.
- Life
Camel ancestors lived in the Arctic
Fossils on Ellesmere Island suggest famous desert dweller got its start in cold regions.
- Science & Society
Forty finalists selected in 2014 Intel Science Talent Search
The 40 young scientists will visit Washington, D.C., March 6–12 to tour the White House and other national landmarks, present their research to judges and the public in a poster session at the headquarters of the National Geographic Society and attend a black-tie awards gala at the National Building Museum.
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- 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 […]
