Articles with the keyword: 
Nothing to Sneeze At: Real-time Pollen Forecasts
piggy submitted, created time 6 days 7 hours (www.sciencedaily.com)
Researchers in Germany are reporting an advance toward development of technology that could make life easier for millions of people allergic to plant pollen. It could underpin the first automated, real-time systems for identifying specific kinds of allergy-inducing plant pollen circulating in the air.
In the study, Janina Kneipp and colleagues explain that current pollen counts and allergy warnings are based on visual identification of the specific kind of pollen by examining pollen grains under a microscope 
Clear skies, but not because the skies were cleared
Darkfrog submitted, created time 6 days 21 hours (www.nature.com)
After the September 11 grounding of commercial traffic over the U.S., scientists and the public alike toyed with the idea that contrails and other side effects of air travel could affect the weather. New analyses, however, suggest that we may have jumped the gun and that the variations in temperature that were recorded on those days could be accounted for by other factors.
It isn't that contrails don't have an effect on climate, say scientists, but that their effect on those three particular days may have been exaggerated
Scientists: More Hurricanes to Come
sea-maid submitted, created time 4 months 3 days (www.time.com)
The tropics seem to be going crazy what with the remnants of Gustav, the new threat from Hanna, a strengthening Ike and newcomer Josephine. Get used to it.
Climate change means more than mild winters: storms wreak extra havoc
Darkfrog submitted, created time 4 months 4 days (www.nature.com)
According to Nature, the maximum speeds of hurricanes and other intense storms have increased since 1981.
While atmospheric models have long suggested that an overall increase in planetary temperature will also increase the intensity of storms, it has also been argued that other results of increasing temperature, such as increased shearing winds, would cancel out or interfere with these other effects.
Climatologists at the University of Florida, however, have found that recent storms have been able to overcome the effects of shearing winds
Air pollution can affect weekend weather
Darkfrog submitted, created time 4 months 3 weeks (www.nature.com)
The only thing that separates a Thursday from a Sunday is human convention ...and now the weather. According to this article, human behaviors such as driving cars can affect the weather. We already knew that, right? Well the cool part is that behaviors that depend on the type of day--say, the weekday rush hour--can cause the weather to differ depending on whether it's a working day or a weekend by affecting the number of condensation nuclei in the air.
The effects differ by region and season. Spain has been getting sunnier winter weekends and colder and wetter summer weekends
Bad Weather Makes for a Long Day
sumsung submitted, created time 8 months 2 weeks (www.sciam.com)
The length of a day, which is measured by the time it takes Earth to rotate once on its axis, can be measured to an accuracy of about 10 microseconds, or 10 millionths of a second. Earth's rotational rate depends on the distribution of mass across its surface. This includes the roiling aggregation of gases that comprise the atmosphere, the solid earth itself, its fluid core, and the sloshing ocean. For example, when a major earthquake shifts the planet's mass, it can slow or speed the day by as much as a few thousandths of a second.
davidd submitted, created time 9 months 2 weeks (www.nature.com)
Farmers' yields in the developing world are often limited by unreliable rains. Improving their harvests will require plant breeders, agronomists and geneticists to pull together — but can these experts work out their differences?
Sue Wu submitted, created time 10 months 4 days (www.reuters.com)
Influenza viruses coat themselves in fatty material that hardens and protects them in colder temperatures -- a finding that could explain why winter is the flu season, U.S. researchers reported on Sunday.
Sue Wu submitted, created time 10 months 6 days (www.sciam.com)
Scientists discover microbes in snows sampled from different parts of the world--and show how microorganisms might be the catalyst.
"Rain-making" bacteria found around the world
sumsung submitted, created time 10 months 1 week (www.nature.com)
The same bacteria that cause frost damage on plants can help clouds to produce rain and snow. Studies on freshly fallen snow suggest that "bio-precipitation" might be much more common than had been suspected.
Does it rain less on the weekend?
snoopy submitted, created time 1 year 1 month (www.nature.com)
Do you think it rain less on the weekend? The theory that the artificial rhythm of the working week has an effect on the weather might sound strange, but there's a sensible explanation. Higher industrial activity on weekdays generates more airborne pollution particles, which can seed raindrop formation in the atmosphere.
Ari Laaksonen and David Schultz of the Finnish Meteorological Institute in Helsinki find that there has been no "wettest day of the week," either locally or nationally, during all that time
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