5,541 results
5,541 results for: Forests
- Health & Medicine
Two markers may predict heart risk
Two proteins that play a role in inflammation may serve as indicators of a person's risk of heart disease and stroke.
- Earth
Ash Clouds: Severe storms can lift smoke into stratosphere
New field observations, satellite images, and computer models suggest that a severe thunderstorm, enhanced by heat from forest fires, can boost soot, smoke, and other particles as far as the lower stratosphere, an unexpected phenomenon.
- Ecosystems
Brazil Nut Loss Looms: Harvest may be too heavy to last
A study of 23 spots in Amazonian forests has raised the question of whether the collection of Brazil nuts—praised as a model of gentle forest use—has reached such levels that it may not be sustainable.
- Earth
Ash Clouds: Severe storms can lift smoke into stratosphere
New field observations, satellite images, and computer models suggest that a severe thunderstorm, enhanced by heat from forest fires, can boost soot, smoke, and other particles as far as the lower stratosphere, an unexpected phenomenon.
- Ecosystems
Brazil Nut Loss Looms: Harvest may be too heavy to last
A study of 23 spots in Amazonian forests has raised the question of whether the collection of Brazil nuts—praised as a model of gentle forest use—has reached such levels that it may not be sustainable.
- 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.
- Animals
Elephant diets changed millions of years before their teeth
The animals fed on grasses long before their molars could grind the tough plants.
- Life
Tigers meet, mix in forest corridors
In India, narrow strips of wild land connect small groups of cats.
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- Ecosystems
Aging European forests full to the brim with carbon
Trees' capacity to sequester carbon dioxide from the atmosphere is dwindling.
- Life
Natural antifreeze prevents frogsicles
Sugar and other chemicals keep Alaskan frogs from freezing completely.
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From the January 4, 1930, issue
PILTDOWN MAN EARLIEST HUMAN BEING The ape-man of Darwin was read out of man’s family tree and the dawn-man of Sussex, older than 1,250,000 years, was elevated to the position of man’s progenitor by Dr. Henry Fairfield Osborn, president of the American Museum of Natural History, New York. A new picture was painted by Dr. […]
