When I began listening to TWIV almost a year ago, I had just switched majors from philosophy to biology. I am now writing to you good people at TWIM at the end of my first undergraduate summer research gig, where I have had qui... Read More
1540s, a medical word for "excess of body fluid," from Late Latin plethora, from Greek plethore "fullness," from plethein "be full" (see pleio-). Figurative meaning "too-muchness, overfullness in any respect" i... Read More
A new retrovirus, xenotropic murine leukaemia virus-related virus (XMRV), first identified in tumor tissue of individuals with prostate cancer, was subsequently found in 68 of 101 US patients with chronic fatigue syndrome (CFS). This observation raised the possibility that XMRV is the etiologic ... Read More
This episode: In mice, high-fat diets affect their gut microbes, which in turn disrupts their circadian cycles and metabolic health!
(8.6 MB, 9.35 minutes)
Social media consists of Internet technologies that allow users to create and share content, and to foster dialogues among other users. Examples include software applications for communication (blogging, social networking, discussion forums), collaboration (wikis, social bookmarking), and multim... Read More
Microsoft has licensed an online H1N1 self assessment test from Emory University.
"During flu season this year, emergency rooms and doctors' offices might become crowded with patients seeking help for flu symptoms. This assessment is based on material licensed from Emory University. It is mea... Read More
This episode: Parasitoid wasps spread helpful bacterial symbionts between their whitefly prey!
(10.9 MB, 11.9 minutes)
This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!
(9.1 MB, 9.9 minutes)
Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair... Read More
This episode: Fruit flies have microbes that help them get more nutrition out of low-quality food!
(8.4 MB, 9.1 minutes)
Thank you for all you do, guys.
Steve writes... Read More
Tomorrow starts the XVIII International Congress for Tropical Medicine and Malaria Conference here in Rio de Janeiro. I read Peter Hotez will be participating in a round-table session on “What is the future role of academic journals in the research, c... Read More
Host: Vincent Racaniello
Guest: Ileana Cristea
Vincent meets up with Ileana at Princeton University to talk abou... Read More
This episode: Scientists engineered E. coli to seek and destroy pathogens!
(10 MB, 11 minutes)
A bacterium can sense pathogens in the body, swim toward them, and release a deadly biofilm-busting payload. This process is called pseudotaxis, and could be modified for many... Read More
The arrival in the US of plasmid-mediated resistance to colistin antibiotics, a last line of defense against many gram-negative bacilli, and a quorum sensing system in a eukaryote are topics of this episode hosted by Vincent, Michael, and Michele.
Image (right): Etest used to determin... Read More