5,419 results
5,419 results for: Forests
- Earth
When Mountains Fizz
Scientists are finding that the driving force behind a volcanic explosion is the same thing that propels spewing soda pop: bubbles.
- 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.
- 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.
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Squirrels save for the family’s future
Some female red squirrels hoard extra food for youngsters that haven't yet been conceived.
- Humans
From the December 16 & 23, 1933, issues
STRENGTH OF CRATES TESTED BY TOSSING An important phase of the work of the timber mechanics department of the U.S. Forest Products Laboratory at Madison, Wis., has been to perfect the designing and nailing of these boxes so that their durability is greater. Chemically treated nails and reinforcement by diagonal braces have given more rigidity […]
- Humans
From the December 16 & 23, 1933, issues
STRENGTH OF CRATES TESTED BY TOSSING An important phase of the work of the timber mechanics department of the U.S. Forest Products Laboratory at Madison, Wis., has been to perfect the designing and nailing of these boxes so that their durability is greater. Chemically treated nails and reinforcement by diagonal braces have given more rigidity […]
- Animals
Risk of egg diseases may rush incubation
Bird eggs can catch infections through their shells, and that risk may be an overlooked factor in the puzzlingly early start of incubation.
- Animals
Hornbills know which monkey calls to heed
Hornbills can tell the difference between two kinds of alarm calls given by monkeys.
- Health & Medicine
Age-related anemia hastens death
People who develop low concentrations of iron-containing hemoglobin in their blood as they get older are at elevated risk for serious medical problems and early death.
- Materials Science
Water Repellency Goes Nano: Carpet of carbon nanotubes cleans itself
Forests of carbon nanotubes coated with Teflon yield a superhydrophobic material—the ultimate self-cleaning surface.
- Earth
Warming climate may slam many species
Expected increases in global temperature could eradicate from a sixth to a half of the plant and animal species across large areas of the globe, a new analysis suggests.
- Paleontology
Flightless Feathered Friends
New finds of fossil penguins, as well as analyses of the characteristics and DNA of living penguins, are shedding light on the evolution of these flightless birds.
