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Sleeping Sickness Parasites Are Social, Not Solitary

The parasites that cause deadly African sleeping sickness aren't as solitary as once believed, according to a new study. Instead, the single-celled creatures seem capable of communicating and even coordinating their behavior.

If organized armies of parasites seem scarier than loners, never fe... Read More

South Korea confirms more superbug cases

South Korea confirmed two more cases of a new gene in bacteria that turns them into drug-resistant superbugs, bringing the total number of cases to four.

The state-run Korea Centers for Disease Control and Prevention said experts detected the gene, known as NDM-1, in two South Korean men on M... Read More

An AIDS breakthrough courtesy of stem cells

Read it & weep, AIDS virus - your days are numbered Read More

Louis XIV: The science king

When Louis XIV died in 1715, surgeons still belonged to the same profession as barbers and wigmakers in France, and the only functions they were allowed to perform were to shave, bleed and bring babies into the world. When a surgeon was called to remove the king's anal fistula in 1686, he did th... Read More

Haitian cholera strain could dominate the Americas

The DNA of the cholera bacteria ravaging Haiti has been sequenced, and the news is not good. It is carrying a mutation that seems to cause more intense disease. This has already helped the strain to dominate in south Asia, and the Haitian epidemic could spread it still further.

The US Centers... Read More

Unexpected endogenous viruses

During the replication of retroviruses, a double-stranded DNA copy of the viral RNA genome is synthesized by reverse transcription and integrated into the genomes of the infected cell. When retroviral DNA is integrated into the DNA of germ line cells, it is passed on to future generations in Men... Read More

F.B.I. Asks Panel to Delay Report on Anthrax Inquiry

The Federal Bureau of Investigation has requested a last-minute delay in the release of a report on the bureau’s anthrax investigation by the National Academy of Sciences, prompting a congressman to say that the bureau “may be seeking to try to steer or otherwise pressure” the academy’s scientif... Read More

Details of Microbe's Extraordinary Maintenance and Repair System Revealed

Scientists have discovered how a network of repair proteins enables bacteria to prioritise the repair of the most heavily used regions of the DNA molecules that carry the instructions necessary for living cells to function.

The research, carried out by academics at the University of Bristol a... Read More

Had flu? The next pandemic could hit you harder

Why did the 2009 swine flu pandemic kill so many more young adults than children? Paradoxically, it might be because of past exposure to seasonal flu.

When Fernando Polack of Vanderbilt University in Nashville, Tennessee, and colleagues studied 75 adults with swine flu they found severe cases... Read More

Best books of 2010: J. Craig Venter's choices

J. Craig Venter, biologist and entrepreneur, reports his favorite book of 2010. Read More

The great arsenic bacteria backlash (podcast)

Science Weekly takes an extended look at the worldwide reaction to the "arsenic bacteria" research published by Science, which doesn't just have implications for that particular study, but also peer review and the way science is conducted in the internet age.

We have assembled a panel of thos... Read More

TWiV 111 Letters

Scott writes:


I am based in Hong Kong and there has been a local outbreak of dengue among the international community here. This is the first local transmission of dengue in 7 years! Several students at my children's school have taken off of school with ap... Read More

TWiV 111: Live at Florida Gulf Coast University

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On episode #111 of the podcast This Week in Virology, the TWiV crew meets with members of the Florida Keys Mosquito Control District at Florida Gulf Coast University to discuss dengue in F... Read More

Scientists identify new 'infection fighting officer'

Johns Hopkins scientists have identified a previously unrecognized step in the activation of infection-fighting white blood cells, the main immunity troops in the body's war on bacteria, viruses and foreign proteins.

"It's as if we knew many of the generals, colonels and majors and now we hav... Read More

Stem cells in TB protection racket

Your own stem cells could help deadly bacteria hide in your body - a discovery that could inspire new treatments for tuberculosis.

Over 2 billion people are infected with TB. Typically, the bacteria lie latent inside balls of immune cells, or granulomas, in the lungs. Carriers get sick when t... Read More

New to Nature No 26: GFAJ-1

A team of Nasa-supported researchers has discovered a microbe in Mono Lake, California, that lives in an environment high in salinity, alkalinity and arsenic – which would be toxic to most organisms. Studies of species in extreme environments help astrobiologists define the physical boundaries o... Read More

'Green' Water Treatments May Not Kill Bacteria in Large Building Cooling Systems

Nonchemical treatment systems are touted as environmentally conscious stand-ins for such chemicals as chlorine when it comes to cleaning the water-based air-conditioning systems found in many large buildings. But a recent study by University of Pittsburgh researchers suggests that this diverse c... Read More

Use of Cholera Vaccine in Haiti Is Now Viewed as Viable

The World Health Organization is shifting its position in favor of vaccinating against cholera, acknowledging a growing clamor for ways to slow Haiti’s outbreak.

So far, the cholera vaccine has seen little use in Haiti, where the disease has killed more than 2,000 people and is still spreadi... Read More

Emergence of dual-resistant influenza viruses poses public health concern

Increasing antiviral resistance among certain influenza viruses and a lack of alternative antiviral treatment options have raised public health concerns, according to data from two new studies published in the Journal of Infectious Diseases.

Although the spread of influenza strains with resis... Read More

BacterioFiles Micro Edition 22 - Shocking Shewanella

This episode: Bacteria form electric nanowires!

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