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Popular Misconceptions about DNA Isolation and Quantification

Problems achieving high yield and purity DNA are exaggerated in environmental samples because of the added complexity of microorganism lysis and inhibitor removal. Quantifying the nucleic acids in these samples is the easy part. But if you don’t know what to look for, you can easily make mista... Read More

How Plasmids Became Embroiled In The Cold War

The humble plasmid. We now know it so well, but as little as 60 years ago the field of extra-chromosomal heredity was decidedly murky. Not only was it the subject of great debate, conflict and friction within the scientific community, it was even used as a politico-religious tool during the Cold... Read More

Blastomyces dermatitidis

Blastomyces dermatitidis. Yeast phase. Interference phase microscopy Read More

Further Doubt Cast on Virus Link to Chronic Fatigue Syndrome

Researchers investigating UK samples have found no association between the controversial xenotropic murine leukaemia virus-related virus (XMRV) and chronic fatigue syndrome (CFS). Their study, published in BioMed Central's open access journal Retrovirology, calls into question a potential link d... Read More

Five questions about lysogeny

Merry Youle from www.smallthingsconidered.us explores 5 questions about lysogeny, the life cycle that takes place when a bacteriophage infects certain types of bacteria. Read More

Monitoring H1N1 with Twitter--interview with Philip Polgreen of the University of Iowa

Micro-blogging via Twitter is being evaluated as a means for tracking infectious diseases. The 2009 outbreak of H1N1 provided them an opportunity for testing Twitter as an approach for tracking disease outbreaks. From the end of April, researchers at the University of Iowa began collecting Twitt... Read More

A frail King Tut died from malaria, broken leg

Egypt's most famous pharaoh, King Tutankhamun, was a frail boy who suffered from a cleft palate and club foot. He died of complications from a broken leg exacerbated by malaria and his parents were most likely brother and sister.

Two years of DNA testing and CT scans on Tut's 3,300-year-old m... Read More

Biofilters to clear city's air

Columbus can stink.

Visitors to Downtown can be greeted with an odiferous punch from time to time, but the city is starting a project to fix that problem -- especially because it is finishing a $44 million effort designed to draw people to the Scioto riverfront.

A $6 million project to har... Read More

Researcher: Bacteria in tap water can be beneficial

Ridding tap water of bacteria with chemicals is a common practice in America, but one Biodesign Institute researcher is finding benefits to putting the bacteria back in.

The use of microbial agents to decontaminate tap water has long been the standard in Europe, but an American bias against b... Read More

White Blood Cells Devour Bacteria In Amazing 1950s Science Clip

A less than 30-second movie from the 1950s shows a white blood cell (neutrophil) pursuing the Staphylococcus aureus bacteria on blood film.

The 16-mm moving image was captured by late David Rogers, who at the time was a professor at Vanderbilt University and went on to co-chair the National C... Read More

FDA Warned Kellogg About Contaminated Eggo Waffles

The Food and Drug Administration warned Kellogg Company to improve sanitation measures at their Eggo frozen waffles plant. The FDA claims the company hasn't gone far enough to address food violations at its Atlanta, Georgia frozen foods plant, where officials found products contaminated with Li... Read More

Influenza vaccines: Poor evidence for effectiveness in elderly

Evidence for the safety and efficacy of influenza vaccines in the over 65s is poor, despite the fact that vaccination has been recommended for the prevention of influenza in older people for the past 40 years. These are the conclusions of a new Cochrane Systematic Review.

Adults aged 65 and o... Read More

Herpes simplex, type 1

Herpes simplex, type 1. Isolate in human fetal diploid cell cultures, identified by direct FA staining Read More

Scientists Discover TB Disease Mechanism and Molecule to Block It

Indiana University School of Medicine researchers have identified a mechanism used by the tuberculosis bacterium to evade the body's immune system and have identified a compound that blocks the bacterium's ability to survive in the host, which could lead to new drugs to treat tuberculosis.

Zh... Read More

Wizzard Media Podcast App Ranks in Top Paid Apps in 62 Countries Worldwide

Wizzard Media the world's largest podcasting network, today announced a new milestone for its Wizzard Media Podcast App having reached the Top 300 Paid Apps in over 60 countries around the world. From Australia to Croatia, El Salvador to Finland, Slovenia to Vietnam, the results are in and the w... Read More

New Weapon to Fight Disease-Causing Bacteria, Malaria Developed

Researchers report that they have discovered -- and now know how to exploit -- an unusual chemical reaction mechanism that allows malaria parasites and many disease-causing bacteria to survive. The research team, from the University of Illinois, also has developed the first potent inhibitor of t... Read More

Puzzled doctors asking: Where is the flu?

The swine flu has all but disappeared for the time being, but in its wake public health officials are facing a bizarre influenza season - there's almost no seasonal flu going around.

This time of year is typically the peak of flu season, but doctors and health care clinics are reporting flu c... Read More

When the Best Rx Is No Rx

When Latonia Best's teenaged kids were little, doctors always prescribed antibiotics for their ear infections. But when her youngest son, 5-year-old Justin, was diagnosed with one recently, she heard something new: The pediatrician asked if she wanted to try waiting a few days to see if he would... Read More

Smokers with HPV-linked oral cancers are much more likely to have a recurrence, study says

Smoking and alcohol use have generally been considered the primary causative agents in head and neck cancer, but the growing incidence of the tumors over the last two decades is attributed to another source -- human papillomavirus, or HPV, especially HPV-16, which is a key player in cervical can... Read More

Why Do People Become Lactose-Intolerant?

Most of us drank milk every day when we were young without a problem. Then, sometime in our teens or early 20s, we start to feel bloated or have discomfort after consuming a lot of milk, typically two or more glasses at a time.

Scientists have discovered that most people develop some degree o... Read More

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