On the long and difficult road toward a carbon-neutral source of transportation fuels, the U.S. Department of Energy (DOE) is pursuing a diversified approach. This effort involves exploring a range of potential new fuel sources in nature: from plants that may serve as cellulosic feedstocks—fast... Read More
Occasionally, researchers stumble across something extraordinary in a system that has been studied for decades.
Ryan Kerney of Dalhousie University in Halifax, Nova Scotia, Canada, did just that while looking closely at a clutch of emerald-green balls--embryos of the spotted salamander (Ambys... Read More
Can the disease-causing capabilities of an organism be predicted from its DNA? This was a key question faced by a 13-member committee of the National Research Council (NRC). It was trying determine what it would take to develop a government system that spots bioweapons in the making by screening... Read More
Several cases of illness from eating raw oysters and lab detection of bacteria that can make people sick has led state health officials to close two Hood Canal growing areas in Washington state.
Lab tests in Hood Canal Six, which runs from Hoodsport south and east to the boat launch area at T... Read More
The Veteran's Administration (VA) today released the latest results of tests taken by dental patients at the John Cochran VA Hospital in
St. Louis, Missouri. As of Wed 28 Jul 2010, the VA confirms 2 positive results for hepatitis B and 2 positive results for hepatitis C. The data [were] presen... Read More
Health officials in Myanmar have this year reported a significant increase in cases of Chikungunya, a little-known viral disease with symptoms similar to dengue fever.
While rarely fatal, there is no vaccine or cure for Chikungunya and treatment focuses on relieving the symptoms, which can la... Read More
Planes are scheduled to take to the air tomorrow night to begin spraying a swath of Southeastern Massachusetts with pesticide targeted at mosquitoes carrying eastern equine encephalitis, Governor Deval Patrick announced today at a news conference in Lakeville.
The planes, which will cover Bri... Read More
A large part of human milk cannot be digested by babies and seems to have a purpose quite different from infant nutrition — that of influencing the composition of the bacteria in the infant’s gut.
The details of this three-way relationship between mother, child and gut microbes are being wo... Read More
This episode: Making spider silk with bacteria!
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A case of the mosquito-borne illness LaCrosse encephalitis has been reported in Montgomery County, Mississippi.
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The NY Times blog Scientists at Work is a modern version of a field journal which reports on the daily progress of scientific expeditions — adventures, misadventures, discoveries, etc.
Over the next 12 days, Jeffrey Marlow, a graduate student at the California Institute of Technology, will r... Read More
A new evidence-based global distribution map of Plasmodium vivax malaria, published August 3 in the open-access journal PLoS Neglected Tropical Diseases, is used to estimate that 2.85 billion people lived at risk of infection with this parasite in 2009. The map, created as part of the Malaria At... Read More
Researchers have discovered a mechanism by which Helicobacter pylori, the only known cancer-causing bacterium, disables a tumor suppressor protein in host cells.
The new study, in the journal Oncogene, reports the discovery of a previously unknown mechanism linking H. pylori infection and sto... Read More
The Army’s got a one-two punch to perfect vaccinations and offer scientists the ability to quickly develop inoculations that stave off new dangers. First, they’ll shoot troops up using a “gene gun,” that’s filled with DNA-based vaccines. Then they’ll follow it up with “short electrical pulses to... Read More
This episode: Making spider silk with bacteria!
Scientists have made an important discovery that could lead to new drugs that reduce the severity of blood infections leading to sepsis. Research presented in the August 2010 issue of Journal of Leukocyte Biology (http://www.jleukbio.org) shows how interfering with the function of the cell membr... Read More
The vast majority of pediatricians and family physicians nationally are offering the human papillomavirus (also called HPV) vaccine, though fewer physicians are strongly encouraging it for 11- to 12-year-old girls as recommended by national guidelines, according to a survey in the September issu... Read More
Although individuals who are HIV positive can now expect to live longer because of the availability of anti-retroviral drugs, this advance brings on new health challenges. It is estimated that the majority of the HIV-infected population of the United States will be older than 50 by 2015.
The ... Read More
If you test enough flour you can find some contaminated by the potentially deadly pathogen--E. coli O157:H7--but testing probably is not going to do much when it comes to making flour safe to eat.
So concluded three speakers--Cargill's Joe Shebuski, Nestlé's Tim Jackson, and ConAgra's Ben War... Read More