How reasoning and evidence are used to understand human evolution.
Genetic evidence shows that humans evolved in Africa and continue to evolve.
Stone tools are well-preserved evidence of past human activity.
The hominid fossil record of the past six million years gives us surprising insights into the path of human evolution.
How humans perceive bitter taste, and the evolution of taste perception.
Second discussion in the 2011 Holiday Lectures on human evolution, on how to effectively report scientific results to the general public.
How Darwin came to publish The Origin of Species, and examples of how quickly evolution can change a population.
Comparing the artificial selection of dogs and corn with the natural selection of the stickleback fish.
The genetic mechanisms by which evolution occurs, and an overview of the evidence for evolutionary theory.
How and why butterflies and fruit flies got their spots, and the fossil record for human evolution.
A discussion on reconciling religion and science with students, the lecturers, and guest speakers.
Learn about research aimed at thwarting dengue fever in the lab and in communities.
New technologies like the Virochip harness DNA's properties to identify and fight new viruses.
Understanding the immune response is essential to developing safe vaccines for dengue and other diseases.
The SARS epidemic was successfully halted by a global research effort to identify a new virus.
This discussion from the 2010 Holiday Lectures on Science explores the ethics of genetically-modified organisms and other topics.
The genesis of AIDS, identifying HIV as the virus that causes AIDS, and the modern global epidemic.
The HIV life cycle, and how the virus destroys the immune system's ability to respond to infection.
Treating HIV infection with antiretroviral therapy, and HIV's ability to develop drug resistance.
The search for an effective HIV vaccine, and advances in genomics that may lead to a breakthrough.
A discussion with three students who are helping in the global fight against HIV and AIDS.
Three HIV-positive individuals share their personal experiences about living with HIV.
Dr. Donald Ganem describes how epidemiologists, physicians, and microbiologists work together to identify and study pathogens.
Dr. Brett Finlay explains why bacterial diseases continue to be a major health problem worldwide, causing a third of the world's deaths every year.
Dr. Finlay showcases three types of bacteria to illustrate how molecular biology is allowing researchers to probe the molecular workings of bacterial infections.