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TWiV 162: Transcription

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Hosts: Vincent Racaniello, R... Read More

TWiV 162 Letters

Sarah writes:


Hello to the TWiV crew,


Here are a couple of picks I thought would be good for provoking thought and generating discussion...


While working on a project, I came across some papers attempting to define what "critical thinking" means. I app... Read More

BacterioFiles Micro Edition 67 - Healthful Helper Helices

This episode: Probiotic DNA can be good for our health!


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Download ... Read More

Megavirus, the biggest known virus

The mantle of world’s biggest virus has passed from Mimivirus to Megavirus. But in this case, size doesn’t matter. It’s the genes that these viruses share and do not share that make this story important. Read More

TWiM 22 Letters

Jim writes:

I'm greatly concerned about the harmful effects of nanotechnology. I'm old, but have grand kids, who already have to live with all kinds of junk in the environment. I guess it's a topic that fits in the virology category, too, since are not nanotech-sized parti... Read More

TWiM #22: Microbiology 911

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Hosts: Vincent Racaniello Read More

TWiP 34 Letters

Raihan writes:


Hello Professors Racaniello and Despommier,


In TWIP #33, Dr Despommier said that certain parasites do not need receptors to enter cells, while Dr Racaniello then said that all viruses require a receptor for entry. I might be wro... Read More

TWiP 34: Up against the Wolbachia

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Hosts: Vincent Racaniello and Dickson Despommier


Vincent and Dickson discuss... Read More

How do we know what causes an infectious disease? (Part 2)

Having discussed fulfilling Koch's postulates using culture methods in part 1, this blog post briefly discusses the newer molecular techniques that scientists can use to provide evidence for a disease being caused by a specific organism. Read More

How do we know what causes an infectious disease? (Part 1)

A brief introduction to how scientists prove that an infectious agent is a cause of disease. It discusses Koch's postulates using the imaginary disease chocolatitis and the imaginary organism Chocolobacter as an example. Read More

BacterioFiles Micro Edition 66 - Microbe-Mycelium Mutualism

This episode: Bacteria and fungi work together to explore new territory!


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Read More

TWiV 161: Concerto in B

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Hosts: Vincent Racaniello, R... Read More

TWiV 161 Letters

Ayesha writes:


Honourable TWIVnesses!


I heard this series and thought you might dig it for listener pick of the week: h... Read More

Genome of arsenic bacterium sequenced

The genome nucleotide sequence has been determined of the bacterium GFAJ-1, which has been suggested to survive in high levels of arsenic and in fact incorporate arsenic into macromolecules. The sequence does not address the controversy over whether the bacterium can utilize arsenic. I suppose t... Read More

Ferreting out influenza H5N1

A laboratory in the Netherlands has identified a lethal influenza H5N1 virus strain that is transmitted among ferrets. These findings are under review by the National Science Advisory Board for Biosecurity (NSABB) to ensure that they do not constitute a threat to human health. Meanwhile both the... Read More

TWiV 160: Moore tumor viruses

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Hosts: Vincent Racaniello, R... Read More

TWiV 160 Letters

Neva writes:


Hi fellas,


Great programs as always. I look forward to each one: TWIV, TWIM & TWIP. .....Lots of TWIT too. ;-)


Here is a list of top science apps forwarded by William Gunn on G+.


Mendeley and PLoS staff both vo... Read More

BacterioFiles Micro Edition 65 - Superfluous Cells Stop Sniffles

This episode: Exposure to many bacteria early in life seems to prevent allergies!


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Read More

What is Dual Use Research? (Video)

Learn more about the issue of dual use research in the life sciences by watching the following educational video produced by the NIH. Read More

The dwindling American science majors

According to the New York Times (Why Science Majors Change Their Minds), the decline in the number of science majors in the United States has come about in part because the subject matter is too difficult. If this explanation is true, then we have not properly prepared these students in grades K... Read More
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