DNA's chemical properties can be harnessed for a variety of biotechnology applications.
The geometric structures of viruses are beautiful and can be used, along with genomic ...
This "morph" animation demonstrates how the expression of a particular toolkit gene in a ...
This animation shows a rotating 3-D image of a stickleback skeleton. The pelvic region, ...
In two related Drosophila species, a so-called paintbrush gene is activated to "paint" the ...
This animation includes audio narration: please make sure your computer's volume is up so that ...
Regulatory "switches" are found upstream from a gene. Regulatory molecules bind to the switches ...
General transcription factors, activators, and repressors interact to regulate the transcription ...
Environmental and cultural factors can affect whether a new human mutation becomes common in a ...
The lactase enzyme is produced in the small intestine of infants. It digests lactose by breaking ...
Dr. Brett Finlay enlists a student volunteer to show the surprisingly high amount of bacteria ...
Using a bagel, a syringe, and blue dye to illustrate how some virulent strains of bacteria ...
Dr. Finlay, using his student audience, gives a live demonstration of how an ...
Dr. Finlay and Dr. Richard Ganem use physical analogies to compare the size of bacteria and ...
Dr. Finlay and another student volunteer illustrate how Salmonella infects a cell, using a ...
Penicillin, as shown in this video, causes the cell walls of bacteria to rupture.
Dr. Brett Finlay shows how bacteria can grow rapidly to incredible numbers, and also explains ...
Adam Barrett remembers his symptoms of acute HIV infection.
Using soccer to teach children how to make important life choices and how to avoid HIV infection.
A glimpse of the TB ward at a South African hospital, illustrating an illness associated with ...
Dr. Beatrice Hahn's research has traced the origin of HIV to chimpanzees in Cameroon.
Dr. Beatrice Hahn discusses how HIV originated in Africa by cross-species transmission from ...
Dr. Michael Gottlieb was the first physician to notice the new disease of AIDS.
A live demonstration of how a rapid antibody-based HIV test works.