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Keyword: algae

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  • Nanotech Gadgets to Be Built by Algae?

    04/01/2005 9:21:59 PM PST · by nickcarraway · 11 replies · 737+ views
    National Geographic ^ | March 29, 2005 | John Roach
    Ancient, single-celled organisms that are lowly anchors in the marine food chain may soon be integral players in the lofty realm of nanotechnology, the science of the very small. Nanotech materials and devices measure less than a hundred nanometers, a unit of measurement that is one billionth of a meter. By contrast, a human hair is about 20,000 nanometers thick. According to scientists and market analysts, the world is on the cusp of a nanotechnology revolution: The teeny, tiny materials and devices are beginning to show up everywhere from clothing and sporting goods to computer electronics and medical equipment. But...
  • Detritus of life abounds in the atmosphere

    03/31/2005 2:36:28 PM PST · by LibWhacker · 8 replies · 324+ views
    New Scientist ^ | 3/31/05 | Fred Pearce
    Could dandruff be altering the world’s climate? Along with fur, algae, pollen, fungi, bacteria, viruses and various other “bio-aerosols” wafting around in the atmosphere, it may well be. A global study has found that tiny fragments of biological detritus are a major component of the atmosphere, controlling the weather and forming a previously hidden microbial metropolis in the skies. Besides their climatic influence, they may even be spreading diseases across the globe. Scientists have known for some time that aerosols of soot, dust and ash can influence climate by reflecting or absorbing the Sun’s rays and by providing the condensation...
  • Satellite observes agricultural runoff causing algal blooms

    12/09/2004 8:45:38 AM PST · by cogitator · 25 replies · 1,159+ views
    Space Daily ^ | December 9, 2004 | SPX
    Direct Link Discovered Between Agricultural Runoff And Algal Blooms In SeaScientists have found the first direct evidence linking large-scale coastal farming to massive blooms of marine algae that are potentially harmful to ocean life and fisheries. Researchers from Stanford University's School of Earth Sciences made the discovery by analyzing satellite images of Mexico's Sea of Cortez, also known as the Gulf of California - a narrow, 700-mile-long stretch of the Pacific Ocean that separates the Mexican mainland from the Baja California Peninsula. Immortalized in the 1941 book Sea of Cortez, by writer John Steinbeck and marine biologist Edward Ricketts, the...
  • In a Sparkling State, Goo Fills the Symbolic Pools

    05/30/2004 2:40:37 PM PDT · by Willie Green · 4 replies · 231+ views
    The New York Times ^ | May 30, 2004 | MICHELE KAYAL
    For education and discussion only. Not for commercial use. HONOLULU, May 29 - Most mornings, as a swirl of aloha shirts, muumuus, business suits and dangling security passes crisscrosses the broad steps and open-air courtyard of the Capitol, workers in knee-high rubber boots slosh in the building's two vast reflecting pools, vacuuming up great green gobs of goo. Hawaii's 35-year-old Capitol is a modernist landmark, awash in island symbolism. White pillars, reminiscent of royal palm trees, form the perimeter, with the center open to the sun, wind and rain. The House and Senate chambers are swooping cones of volcanic stone...
  • Widescale Biodiesel Production from Algae

    05/25/2004 4:28:06 PM PDT · by ckilmer · 34 replies · 4,328+ views
    | About Us | Goals | Research | Links / Downloads | Home Widescale Biodiesel Production from AlgaeMichael Briggs, University of New Hampshire, Physics DepartmentAs more evidence comes out daily of the ties between the leaders of petroleum producing countries and terrorists (not to mention the human rights abuses in their own countries), the incentive for finding an alternative to petroleum rises higher and higher. The environmental problems of petroleum have finally been surpassed by the strategic weakness of being dependent on a fuel that can only be purchased from tyrants.In the United States, oil is primarily used for transportation - roughly two-thirds of all oil...
  • Sarpy Lakes Closed [people who live in the area are being told to stay out of the water]

    05/17/2004 4:31:56 PM PDT · by chance33_98 · 15 replies · 535+ views
    Sarpy Lakes Closed Toxic algae threat suspected "My son said he come up to the dock and the dog was foaming at the mouth," Connie told us. "He thinks he got a hold of a toad. Then 15 minutes later the dog went down in the yard and collapsed with seizures." Sarpy County authorities have shut down several lakes after the deaths of three dogs. The 300 people who live in the area are being told to stay out of the water. For the second time in as many weeks, Nebraska lake water is killing pets. Last week, Buccaneer...
  • Algae assault hits redwoods, firs

    09/05/2002 11:15:23 PM PDT · by farmfriend · 6 replies · 140+ views
    Sacramento Bee ^ | September 5, 2002 | Edie Lau
    <p>The pathogen that's killed oak trees by the tens of thousands on the Northern California coast also is infecting redwoods and Douglas firs -- two of the state's most valued trees -- researchers confirmed Wednesday.</p> <p>Scientists from the University of California, Davis, and UC Berkeley said there's no evidence, however, that the fungus-like algae that causes Sudden Oak Death is killing the evergreen trees. The best-case scenario is that it will prove to cause only cosmetic damage.</p>
  • Toxic algae blamed for marine species deaths

    05/08/2002 9:50:42 AM PDT · by cogitator · 3 replies · 242+ views
    Toxic Algae Blamed for Marine Species Deaths (Anchor link was wrong: scroll down if you want to read the article on the site. The text is just the same as below.) SACRAMENTO, California, May 7, 2002 (ENS) - Toxic algae may be contaminating shellfish and killing marine mammals and seabirds along the Southern and Central California coast. Domoic acid, a naturally occurring toxic algae [that should be algal toxin], is the suspected culprit, say the California Department of Health Services (CDHS) and Department of Fish and Game (DFG). The agencies say dozens of marine mammals, including dolphins and sea...
  • Algal Blooms Fuel Ocean Food Web

    04/29/2002 10:34:42 AM PDT · by cogitator · 1 replies · 948+ views
    Algae Blooms Fuel Ocean Food Web SANTA BARBARA, California, April 26, 2002 (ENS) - The color of the ocean may yield clues about the relation between marine ecosystems and the climate system, say scientists from the University of California at Santa Barbara (UCSB). A green ocean is a productive ocean. The light from the sun fuels the bloom of phytoplankton, tiny ocean plants that turn the sea's surface a light green each spring. "When viewed from space, the north Atlantic spring bloom is among the largest mass greenings observed on the Earth's surface, extending over scales of more than...
  • Astronomy Picture of the Day 4-2-02

    04/01/2002 8:58:29 PM PST · by petuniasevan · 12 replies · 319+ views
    NASA ^ | 4-2-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 April 2 Mysterious Black Water in Florida Bay Credit & Copyright: ORBIMAGE, SeaWiFS, NASA Explanation: What is causing the water in Florida Bay to turn black? The mysterious black color could be seen as early as last December in images taken by the SeaWIFS instrument on board the Earth-orbiting SeaStar satellite. During the darkest period in February, when the above image was taken, visibility in the usually...