5,419 results
5,419 results for: Forests
- Anthropology
Chimpanzee Stone Age: Finds in Africa rock prehistory of tools
Researchers have uncovered evidence of a chimpanzee stone age that started at least 4,300 years ago in West Africa.
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Stem cells float in amniotic fluid
Scientists have discovered a new type of stem cell in the fluid that bathes fetuses in the womb.
- Health & Medicine
Old cure may offer new malaria option
An herbal-tea remedy for malaria contains a component that may form the basis of a novel drug against the disease.
- Archaeology
Muons Meet the Maya
Physicists are exploring the use of muons generated by cosmic rays to explore Mayan archaeological sites and to probe the interiors of volcanoes and shipping containers.
- 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.
- 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.
- 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.
- 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.
- 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 […]
- Humans
Summer Reading
The staff of Science News presents wide-ranging recommendations of books for readers to pack for their summer vacations.
- 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.
