This episode: Multiple different fungi kill insects and give their nutrients to plant partners!
(8.3 MB, 9 minutes)
This episode: Scientists discover what seem to be ultra-small bacteria, possibly smaller than the theoretical minimum size!
(12.3 MB, 13.4 minutes)
Aunque el género Mycobacterium es asociado a infecciones tales como la lepra y la tuberculosis, hay un gran número de especies que son por lo general no patogénicos o patógenos oportunistas. En el episodio de hoy tenemos al Dr. Ricardo Santos del Instituto Superior Técnico de Lisboa, Portugal... Read More
This episode: Virus helps to modify mice such that certain colors of light can cause or prevent pain!
(10 MB, 10.8 minutes)
This episode: Remnants of viral infection left behind in squirrels' genome may protect them from incoming viruses!
(9.3 MB, 10.1 minutes)
Vincent and Dickson discuss the exchange of messenger RNAs between a parasitic plant and its hosts.
This episode: Bacteria with engineered circuits can detect and keep a record of stuff in their environment, like in the gut!
(14.6 MB, 15.9 minutes)
A pink-pigmented strain of Pseudomonas aeruginosa is shown in the picture. This was photographed in University of Colorado Hospital's clinical lab by the microbiology department. The organism is shown on Mueller-Hinton agar for Kirby-Bauer sensitivity testing.
The pigment pyorubin is responsi... Read More
More than 80 people may have been exposed to airborne anthrax bacteria in an embarrassing mishap at the Centers for Disease Control and Prevention in Atlanta, and the numbers may go even higher, officials said Friday.
“Right now we have an excess of 80 individuals,” CDC deputy director Dr. Il... Read More
This episode: Circadian rhythms in bacteria are amazingly simple, and now scientists have figured out how to modify their effects to help produce useful chemicals!
(11.2 MB, 12.25 minutes)
This episode: Slime mold cells carry bacteria with them, some for food and some for chemical warfare!
This episode: More distantly related bacteria can help each other grow (and produce lots of hydrogen) by temporarily fusing with each other!
(12.7 MB, 13.9 minutes)
This episode: New giant virus discovered, with a genome larger than that of some eukaryotes!
Unlike human viruses that cause disease, yeast viruses do not cause any obvious illness in yeast. On the contrary, some viruses of yeast are beneficial and produce toxins that kill off competing yeast, allowing their host to thrive. We often think of viruses as agents of death and disease, but... Read More
In this blog, I share some "first word that comes to mind" responses of my freshman biology class to the words "germ," "bacteria," "cell," and "DNA." The way that we perceive an idea or concept definitely impacts our relationship with it. Thus, finding out what students think, coming into our ... Read More