Uncategorized
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19706
It seems more likely that a decline of total precipitation and humidity would be the direct cause of both temperature and fire incidence. It is fashionable to blame every weather problem on greenhouse gases and global warming, but in this case doing so may lead to false conclusions. Paul BadeMankato, Minn. Neither the study nor […]
- 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 July 8, 2006, issue of Science News
The grammar gene? While reading that starlings may be capable of discerning grammatical patterns (“Grammar’s for the Birds: Human-only language rule? Tell starlings,” SN: 4/29/06, p. 261), I recalled the FOXP2 gene. The gene seems to be involved in the development of areas of the brain involved in speech in humans. Variants of FOXP2 were […]
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19705
As a malacologist, I enjoyed this article. Although the holes look like what could be made with a stone tool, the Science paper acknowledged that a small percentage of naturally occurring holes look similar. Either the people deliberately selected shells with suitable holes or else they perforated them deliberately. Both options show effort at obtaining […]
- Archaeology
Shells may represent oldest known beads
Researchers have identified three perforated shells dating to around 100,000 years ago as beads, making these finds the oldest known examples of personal decoration.
- Earth
Underwater landslides tallied near Puerto Rico
An oceanographic survey off the northern coast of Puerto Rico has found remnants of many underwater landslides, a handful of which were large enough to have caused deadly tsunamis.
- Earth
Fast-food flies ferry foul fauna
Houseflies buzzing around fast-food restaurants could be spreading antibiotic-resistant bacteria.
- Chemistry
Fungus foils polymer that defeats recycling
A common tree-rotting fungus is the first to break down an otherwise impervious resin found in plywood and fiberboard.
- Planetary Science
Lots of red dust, but not much noise
In space, no one can hear you scream, but a new analysis suggests that it's pretty quiet on Mars, too.
- Health & Medicine
Salmonella may join fight against cancer
Salmonella modified to remove its virulence works as a cancer vaccine, tests in mice show.
- Earth
Asian sediments betray age of nearby desert
Grains of silt embedded in thick sediments of northwestern China may settle a debate about the age of the Taklimakan Desert.
