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Science club investigates alternative energies

An ocean of clean energy pours from the sky. We could forget about nonrenewable climate-altering sources, like gas, oil and coal, if we could fill the tank or power our homes with a sunbeam. Current solar technologies aren't quite up to that task. Conventional solar panels are inefficient; elec... Read More

Evolution of a DNA Sequence Over Time

One of the basic requirements of evolution is variation in a population upon which selection can act. One of the sources of variation is mutation in DNA. These changes may or may not be reflected in the ensuing amino acid sequence of a protein. This exercise explores the additive effects of m... Read More

How disinfectants kill bacteria and viruses

The Hygiene Council, an international initiative based out of the UK, has produced a short CGI/computer animation on how disinfectants kill bacteria and viruses. The animation is superb and in there is no corporate branding in the piece which makes it an excellent resource for young students.

... Read More

Duke Researchers Announce New Way to Treat UTIs

Researchers at Duke University Medical Center may have a new way to stop and even prevent the urinary tract infections (UTIs) that plague more than a third of all adults, some of them repeatedly.

The researchers have discovered how cells within the bladder are able to sense the presence of E.... Read More

Rare Sheep Could Be Key To Better Diagnostic Tests In Developing World

The newest revolution in microbiology testing walks on four legs and says "baa."

It's the hair sheep, a less-hirsute version of the familiar woolly barnyard resident. A new study from the Stanford University School of Medicine, which is to be published July 3 in PLoS ONE, finds that not only ... Read More

Microbiologists find defence molecule that senses respiratory viruses

A cellular molecule that not only can sense two common respiratory viruses but also can direct cells to mount a defence has been identified by microbiologists at The University of Texas Health Science Centre at San Antonio.

The finding, published online yesterday by the journal Nature Immunol... Read More

Mighty Microbe

The Q Microbe, found in the soil near a Massachusetts reservoir, can produce unprecedented amounts of ethanol in a single step. Supported by a company devoted to its process and improvement, it could lead the way to commercial production of cellulosic ethanol and the achievement of renewable fue... Read More

TWiV 46: Virus entry into cells

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Virus and bacteria team up to save aphid from parasitic wasp

Viruses and bacteria often act as parasites, infecting a host, reproducing at its expense and causing disease and death. But not always - sometimes, their infections are positively beneficial and on rare occasions, they can actually defend their hosts from parasitism rather than playing the role... Read More

The 8 germiest spots in the home

Wash your hands. That’s a common mantra — and a worthy one — as the H1N1 flu continues to spread around the globe.

But all the hand-washing in the world may not be a match for the germs and viruses lurking on household surfaces.

“There is a big appreciation for influenza that you can get ... Read More

Brown hyphae of Cercospora apii

Brown hyphae of Cercospora apii in subcutaneous lesion. H & E stain Read More

WHO states healthly people with H1N1 have no need for Tamiflu

The BBC reports the World Health Organization has said healthy patients who catch swine flu do not need to be treated with Tamiflu.
Antiviral drugs should be used in patients who are severely ill or those in high-risk groups including the under fives and pregnant women, it said.

Click source... Read More

Invention cleans bacteria and viruses from ambulances

AeroClave LLC of Orlando, FL has developed a portable chamber that sprays vaporized hydrogen peroxide at just the right concentration and humidity to kill all bacteria present. The catch - the AeroClave is designed to clean ambulances and other health vehicles, half of which test positive for MR... Read More

Genetically Engineered Bacteria Are Sweet Success Against Inflammatory Bowel Disease

For the first time, scientists have used a genetically engineered "friendly" bacterium to deliver a therapy.

The treatment is for bowel disorders such as inflammatory bowel disease, which affects one in 400 people in the UK and for which there is no cure. The bacterium Bacteroides ovatus acti... Read More

Why Some Antibiotic Drugs Pack Such A Punch

By studying the intricate mechanisms at work in protein production, a Princeton-led team has discovered why certain kinds of antibiotics are so effective. In doing so, they also have discovered how one protein protects against cell death, shedding light on a natural cancer-fighting process.

I... Read More

Smuggling Genomes for Synthetic Life

Genome-sequencing pioneer Craig Venter and his team have devised a way of smuggling an "alien" genome into unwitting bacterial cells. The new technique takes the scientists one step closer to their goal of creating novel microorganisms with entirely synthetic genomes.
Read More

Gene Pioneer Venter Takes Another Step Toward Synthetic Life

So Craig Venter, the guy who helped map the human genome in the 1990s, has created a completely novel life form by smuggling and alien genome into an unsuspecting bacterium. Read More

Catch the Flu This Fall? Stay Home, No Doctor's Note Required

New federal guidelines released today recommend actions that non-healthcare employers should take now to decrease the spread of seasonal flu and 2009 H1N1 flu in the workplace and to help maintain business continuity during the 2009–2010 flu season. Read More

Google Knol, PLoS and NCBI Join Forces on Influenza Research

Google Knol is a website similar in idea to wikipedia in which it encourages experts to "share what they know and a write a knol." What's a knol? Well it's a unit of knowledge, of course! (Disclaimer: I had to look it up myself).

What's interesting is that the Public Library of Science is now... Read More

Better BBQ Through Chemistry

Here's one for backyard grill-meisters and food safety experts:

Recently the American Chemical Society, as part of its semiannual meeting, staged a chemistry-themed barbecue reception on August 17 for reporters and other guests. (Great idea for getting press coverage, BTW)

"Cooking is as ... Read More
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