Amoebae — a group of amorphous, single-celled organisms that live in the human body — can kill human cells by biting off chunks of intestinal cells until they die, a new study finds. This is the first time scientists have seen this method of cell killing, and the new findings could one day help ... Read More
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
BIRD FLU (H5N1) has receded from international headlines for the moment, as few human cases of the deadly virus have been reported this year. But when Dutch researchers recently created an even more deadly strain of the virus in a laboratory for research purposes, they stirred grave concerns abo... Read More
This episode: Bacteria in mouse guts control the production of serotonin, an important neurotransmitter!
(10.4 MB, 11.3 minutes)
Analytical Chemistry Researchers have created a spinning disk that can quickly tell--within 30 minutes--if food samples contain Salmonella. The most widely-used method to test for the pathogen involves growing out samples on petri dishes and can take days so this has potential to be much quicker... Read More
The world’s only twin astronauts will take center stage in an upcoming NASA experiment that will analyze whether or not identical siblings remain the same biologically if one travels to outer space while the other remains on Earth.
According to the US space agency, astronaut Scott Kelly will ... Read More
Host: Vincent Racaniello
Guest: Katherine A. High
Vincent speaks with Katherine High about her... Read More
New research on monkeys vaccinated against HIV's relative SIV calls into question an idea that has driven AIDS vaccine work for years. The assumption: a protective vaccine only needs to stimulate moderate levels of antibodies that neutralize the virus. Read More
Dr. Lenny Tender, research chemist at the Naval Research Laboratory (NRL), has co-invented a microbial fuel cell that persistently generates electrical power in marine environments.The fuel cell draws electricity from the sea floor, creating an interface between the sediment on the bottom of a m... Read More
Vincent, Dickson, and Daniel explain how trypanolytic factor forms membrane channels to lyse trypanosomes, and present a new case study.
This episode: Archaea living in the deep ocean (and their viruses) have clever ways to maintain diversity and adaptability!
(10.3 MB, 11.25 minutes)
This episode: Engineered bacteria can be made to produce many different useful kinds of biofilm!
(10.5 MB, 11.5 minutes)
Nishal Govindji-Bhatt, Post-doctoral Research Associate at the University of Manchester, United Kingdom, and Curtis Dobson, PhD, University of Manchester, discuss how to best avoid eye infection caused by poor contact lens case cleaning.
Dear Vincent and Dickson,
I just returned from the annual meeting of the International Society of Travel Medicine (ISTM) where I enjoyed many fantastic lectures and caught more Cutthroat Trout fly fishing the upper Snake River during one ev... Read More