Search Results for: Protozoa

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302 results
  1. Trichomonas vaginalis
    Health & Medicine

    How an obscure sexually transmitted parasite tangos with the immune system

    Scientists are working out how Trichomonas vaginalis, one of the most prevalent sexually transmitted infections, causes problems in women and men.

  2. researcher working with mercury

    Climate change may boost toxic mercury levels in sea life

    Increased runoff to the ocean due to climate change could raise neurotoxic mercury in coastal sea life by disrupting the base of the food web.

  3. mosquito
    Health & Medicine

    Mosquitoes can get a double dose of malaria

    Carrying malaria may make mosquitoes more susceptible to infection with a second strain of the parasite that causes the disease.

  4. Health & Medicine

    Parasite protein offers new hope for malaria vaccine

    A newly discovered malarial protein triggers the immune system to trap disease-causing parasites in red blood cells. The protein offers scientists a promising target for vaccines.

  5. parasite
    Health & Medicine

    Vaccine stops deadly sand-fly-spread scourge in animal test

    A DNA vaccine triggers protection against the sand-fly-borne scourge Leishmania.

  6. Health & Medicine

    Experimental malaria drug may be a hot prospect

    A synthetic compound attacks the parasite at three stages of infection, early tests show.

  7. Health & Medicine

    Body & Brain

    Antibiotics fight breathing ailments, cat-loving rats and more in this week’s news.

  8. Health & Medicine

    Putting African sleeping sickness to bed

    Experiments in mice find a protein that could lead to a safer and more effective treatment for parasitic disease.

  9. Health & Medicine

    Parasite payback

    The protozoan parasite that causes leishmaniasis seems vulnerable to the anticancer drug tamoxifen, research in mice shows.

  10. 19920

    There is already a Web site that also aims to answer “What’s in my backyard?” At, David Stang has assembled close to 3 million pages of information (one species per page) based on more than 37 million field observations that include latitude and longitude. Taxonomic information is provided, and there are more than 250,000 […]

  11. Tadpole Slayer: Mystery epidemic imperils frogs

    An emerging protozoal disease has begun to trigger mass die-offs of frog tadpoles throughout much of the United States.

  12. Humans

    Letters from the March 15, 2008, issue of Science News

    Alpha bird(s) There is a detail not explicit in the article “Birds network too” (SN: 2/23/08, p. 125) that fits the computer network analogy. By its flight path, each bird adds its personal input and helps guide the course of the flock. Don BurnapRapid City, S.D. Andrea Cavagna, a physicist at Italy’s National Research Council, […]