Harmful algal bloom
hideA harmful algal bloom (HAB) is an algal bloom — a dense aggregation of phytoplankton, algae or cyanobacteria in a marine or aquatic environment — that causes negative impacts to other organisms via production of natural toxins, mechanical damage to other organisms, or by other means. HABs are often associated with large-scale marine mortality events and have been associated with various types of shellfish poisonings.
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News tagged with harmful algal blooms
Scientists report first remote, underwater detection of harmful algae, toxins
Jul 14, 2009 |
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Scientists at NOAA's National Centers for Coastal Ocean Science and the Monterey Bay Aquarium Research Institute (MBARI) have successfully conducted the first remote detection of a harmful algal species and its toxin below ...
Changing climate will lead to devastating loss of phosphorus from soil
Apr 15, 2009 |
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Crop growth, drinking water and recreational water sports could all be adversely affected if predicted changes in rainfall patterns over the coming years prove true, according to research published this month in Biology an ...
Australian oil spill '10 times worse' than thought
Mar 14, 2009 |
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An oil spill polluting popular tourist beaches on Australia's northeast coast is 10 times worse than originally reported, according to the state government.
New research could help predict red tide
Biology /
Feb 19, 2009 |
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(PhysOrg.com) -- Not far beneath the ocean's surface, tiny phytoplankton swimming upward in a daily commute toward morning light sometimes encounter the watery equivalent of Rod Serling's Twilight Zone: a ...
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Scientists reveal 'protector' gene behind 50-fold increase in number of bowel tumours
Nov 26, 2009 |
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(PhysOrg.com) -- Cancer Research UK scientists have shown that deleting a single gene can increase the average number of tumours in the bowel by 50-fold, according to research published in PNAS today.
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Drug users know their stuff
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
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Drug users are well informed about the harms associated with the drugs they use, and perceive alcohol and tobacco to be amongst the most dangerous substances, according to a survey by UCL (University College ...
Autism treatment: Risky alternative therapies have little basis in science
Nov 24, 2009 |
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James Coman's son has an unusual skill. The 7-year-old, his father says, can swallow six pills at once. Diagnosed with autism as a toddler, the Chicago boy had been placed on an intense regimen of supplements and medications ...
ISU psychologists offer parental advice on promoting kids' healthy video game play
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
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(PhysOrg.com) -- Parents often find themselves in a holiday quandary when deciding on which video games to purchase for their kids. They know that their children want video games, but they also want to ensure ...
Spider secrets decoded in world-first database
Nov 23, 2009 |
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(PhysOrg.com) -- Queensland scientists have developed a world-first database that catalogues the venom components from hundreds of spiders.
The cause behind the characteristic shape of a long leaf revealed
Nov 23, 2009 |
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Applied mathematicians dissected the morphology of the plantain lily (Hosta lancifolia), a characteristic long leaf with a saddle-like arc midsection and closely packed ripples along the edges. The simple ...
Study: kids watching hours of TV at home daycare
Nov 23, 2009 |
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In a new study, the amount of television viewed by many young children in child care settings doubles the previous estimates of early childhood screen time, with those in home-based settings watching significantly more on ...
Researchers track down protein responsible for chronic rhinosinusitis with polyps
Nov 23, 2009 |
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A protein known to stimulate blood vessel growth has now been found to be responsible for the cell overgrowth in the development of polyps that characterize one of the most severe forms of sinusitis, a study by Johns Hopkins ...
Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)
Nov 22, 2009 |
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Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...
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