News tagged with urban
Even at sublethal levels, pesticides may slow the recovery of wild salmon populations
Dec 16, 2009 |
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Biologists determined that short-term, seasonal exposure to pesticides in rivers and basins may limit the growth and size of wild salmon populations. In addition to the widespread deterioration of salmon habitats, these findings ...
Ecosystem, vegetation affect intensity of urban heat island effect
Space & Earth / Earth Sciences
Dec 15, 2009 |
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NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...
San Francisco vs Amsterdam in green city rivalry
Dec 02, 2009 |
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San Francisco and Amsterdam set an online stage for an environmental rivalry regarding which city is more nature-friendly.
Flying MAV Navigates Without GPS (w/ Video)
Nov 02, 2009 |
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(PhysOrg.com) -- During the last several years, researchers have been building micro air vehicles (MAVs) that can autonomously fly through different environments by relying on GPS for navigation. Recently, ...
Computers unlock more secrets of the mysterious Indus Valley script
Technology / Computer Sciences
Aug 03, 2009 |
4.5 / 5 (24) |
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Four-thousand years ago, an urban civilization lived and traded on what is now the border between Pakistan and India. During the past century, thousands of artifacts bearing hieroglyphics left by this prehistoric ...
Can PUMA Really Transform Urban Transportation?
Apr 07, 2009 |
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(PhysOrg.com) -- With a June 1 deadline for settling its differences with creditors and unions looming for GM, the American automaker unveiled a joint project with Segway.
Network turns soldiers' helmets into sniper location system
Mar 24, 2009 |
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(PhysOrg.com) -- Imagine a platoon of soldiers fighting in a hazardous urban environment who carry personal digital assistants that can display the location of enemy shooters in three dimensions and accurately ...
Honda's 'Personal-Neo Urban Transport' Concept
Dec 03, 2009 |
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The Honda Personal-Neo Urban Transport (P-NUT) design study model demonstrates a futuristic concept for an ultra-compact and sophisticated city coupe, American Honda Motor announced at the 2009 Los Angeles ...
Purchase Carbon Offsets at the Airport
Sep 21, 2009 |
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(PhysOrg.com) -- One of the activities that puts a great deal of carbon dioxide into the environment is air travel. Air travel is one of the ways that individuals contribute to an increase in pollution and ...
Skyscraper greenhouses to sprout in crowded cities: expert
Jun 05, 2009 |
4.1 / 5 (15) |
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Vertical greenhouses that grow organic fruit and vegetables smack in the middle of crowded cities where land is scarce may soon be a reality, a Swedish company developing the project said Friday.
Statistical road safety: 18th century math, 21st century road safety
Mar 27, 2009 |
4.4 / 5 (8) |
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What possible connection could there be between an eighteenth century British Presbyterian minister and preventing road traffic accidents in Hartford, Connecticut. Everything, according to a report in the International Jo ...
Declining road fatalities: Less driving not the only cause
Jun 04, 2009 |
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(PhysOrg.com) -- Fewer Americans are dying on our nation's roads, not only because they are driving less, but also because the type of driving has changed, says a researcher at the University of Michigan Transportation ...
Computer modeling shows strategies to rein in epidemics need to be retooled for rural populations
Technology / Computer Sciences
Jun 02, 2009 |
3 / 5 (2) |
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An infectious disease striking a large city may seem like a disastrous scenario -- millions of people sharing apartment buildings, crammed on buses and trains and brushing past one another on crowded sidewalks.
Cholesterol-busting bug with a taste for waste
May 14, 2009 |
4 / 5 (4) |
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A novel species of bacteria with cholesterol-busting properties has been discovered by scientists at the Universidad Complutense de Madrid, Spain. Dr Oliver Drzyzga and colleagues isolated the new bug, called Gordonia ch ...
Florida grapples slippery giant snake invasion
Nov 06, 2009 |
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Florida homes and swamps more used to dealing with dangerous critters like alligators now face a more foreign invader -- giant pet snakes escaped into the wild whose numbers are growing at an alarming rate.
