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5,496 results for: Forests
- Earth
Woods to Waters: Wildfires amplify mercury contamination in fish
Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.
By Ben Harder - Tech
Transistors sprout inner forests
By combining nanowires and conventional transistor structures, researchers are creating novel transistors with improved performance and the potential to be easily manufactured.
By Peter Weiss - Earth
Northern Refuge: White spruce survived last ice age in Alaska
Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.
By Sid Perkins - Earth
The Long Burn: Warming drove recent upswing in wildfires
Major forest fires in the western United States have become more frequent and destructive over the past two decades, in step with rising average temperatures in the region.
By Ben Harder - Humans
Letters from the September 23, 2006, issue of Science News
Moo juiced? I live in Northern California, where forest-biomass power plants are common (“Radiation Redux: Forest fires remobilize fallout from bomb tests,” SN: 7/15/06, p. 38). One power plant takes the ashes that result and places them where cows forage. I’m wondering to what level of concentration this process will accumulate the cesium in organic […]
By Science News - Humans
Summer Reading
The staff of Science News presents wide-ranging recommendations of books for readers to pack for their summer vacations.
By Science News - Ecosystems
Top-Down Lowdown: Predators shape coastal ecosystem
The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.
- Tech
Litmus test gets tiny
When zapped by a laser, new, light-sensitive nanobaubles could provide a reading of pH, or how acidic or basic a solution is, even from deep inside living cells.
By Peter Weiss -
Oceans reveal secrets of viruses
Scientists have completed the first survey of virus DNA in oceans around the world.
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Mushroom Boom: Hobby records show climate-change boost
Mushrooms in England are starting to pop up earlier and staying around later than they used to, according to 55 years of amateur naturalists' records.
By Susan Milius - Animals
Too Few Jaws: Shark declines let rays overgraze scallops
A shortage of big sharks on the U.S. East Coast is letting their prey flourish, and that prey is going hog wild, demolishing bay scallop populations.
By Susan Milius - Earth
Cellulose Dreams
Turning cellulose from plants into ethanol for fuel could help lower greenhouse-gas emissions—but the conversion is far from straightforward.
By Corinna Wu