Professor at University of Illinois - Urbana-Champaign

Professor at University of Illinois - Urbana-Champaign >

38
Videos
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The Constellations and Their Stars
Episode 1 of Our Night Sky Series
Begin your study of the night sky by investigating the origin of the constellations: the traditional groupings of stars that mostly date to antiquity. The well-known constellation Orion illustrates the fascinating mix of beauty, mythology, and scientific knowledge to be…
The Immune System: Our Great Protector
Episode 10 of An Introduction to Infectious Diseases Series
Take a closer look at the intricate components of your body that try to protect you from dangerous infectious diseases. Then, explore immunosenescence--the changes in your immune system as you age--and learn proven ways to keep your immune system strong…
STDs and Other Infections below the Belt
Episode 16 of An Introduction to Infectious Diseases Series
Begin this lecture with a fascinating story of a twist of fate in 1951 that turned out to be one of the most important developments in medical history. Then, study infections that attack the urinary tract and pelvic organs, and…
Bacteria: Heroes and Villains
Episode 2 of An Introduction to Infectious Diseases Series
Start your study of the basic elements of germ theory with bacteria. Once you've inspected the anatomy of a bacterium cell and its function, explore how bacteria can cause disease and how they can adapt to make themselves elusive to…
The Dynamic World of Infectious Disease
Episode 1 of An Introduction to Infectious Diseases Series
Dive into the fascinating stories behind three notorious diseases: bubonic plague, malaria, and polio. See how scientists of the time were able to discover the causes of these diseases and develop effective treatments. Also, learn why infectious diseases are still…
Seeing and Navigating the Sky
Episode 2 of Our Night Sky Series
The naked eye is a powerful instrument: if you know how to use it. Learn the best times and conditions for observing, how to identify the positions and magnitudes of stars and planets, how the sky changes over the course…
The Nemesis of Mankind: HIV and AIDS
Episode 18 of An Introduction to Infectious Diseases Series
More than three decades after the first cases of Acquired Immunodeficiency Syndrome (AIDS) were reported, the global health community is still dealing with a pandemic of 33 million infected people, of which about 3 million are children. Learn the scientific…
Viruses: Hijackers of Your Body’s Cells
Episode 3 of An Introduction to Infectious Diseases Series
Zoom in to see a particle 100 times smaller than bacteria: the virus, which can replicate inside living cells. Follow the life cycle of a virus as you see what viruses like HIV and Ebola do to host cells. Meet…
Vaccines Save Lives
Episode 9 of An Introduction to Infectious Diseases Series
From routine childhood vaccinations to the experimental vaccines given to Ebola patients in Africa and the United States, vaccines have a powerful effect on public health. Learn the facts about the four different types of vaccines and their components, and…
Observing the Planets with a Telescope
Episode 5 of Our Night Sky Series
The rings of Saturn, the bands of Jupiter, the phases of Venus, the polar caps of Mars: these and other planetary features are visible through a small telescope. Learn when viewing opportunities arise for each of the planets and what…
The Northern Sky and the North Celestial Pole
Episode 7 of Our Night Sky Series
Embarking on the second half of the course in which you systematically tour the entire sky, study two constellations that are continuously in view from the Northern Hemisphere: Ursa Major and Cassiopeia. Also explore the slowly shifting position of true…
The Spring Sky
Episode 10 of Our Night Sky Series
The spring sky opens the view into intergalactic space perpendicular to the plane of the Milky Way. Among the objects visible are the immensely rich galaxy clusters in Virgo and Coma Berenices, which are many millions of light-years distant and…
Antibiotics: A Modern Miracle Lost?
Episode 6 of An Introduction to Infectious Diseases Series
Trace the history of antibiotic development and explore how the eight classes of antibiotics attack bacterial infections. Gain an introduction to the increasingly important concern of antibiotic resistance, and learn how you can contribute to the more prudent use of…
Using Binoculars and Backyard Telescopes
Episode 3 of Our Night Sky Series
There are many choices when selecting binoculars or a telescope. Learn what to look for in light-gathering power, optical design, magnification, mounts, and other features. Professor Murphy also suggests several tips for getting the best observing experience out of your…
Milestones in Infectious Disease History
Episode 5 of An Introduction to Infectious Diseases Series
Where would we be without the scientists that brought to life the inventions and discoveries that are the foundations of modern medicine? In this lecture, meet some of the people who developed the tools to identify microorganisms, the means to…
Meteor Showers, Comets, Eclipses, and More
Episode 6 of Our Night Sky Series
Explore a variety of special phenomena that are among the wonders of the sky. Some, like bright meteors, aurora, and many comets, are largely unpredictable. Others, like eclipses and annual meteor showers, occur at well-known times: although it may require…
Observing the Moon and the Sun
Episode 4 of Our Night Sky Series
Charting the motions and changes of the sun and moon may be humankind's oldest astronomical activity. Discover how both objects offer rich opportunities for study. Also learn the precautions to take when observing the sun, which is the only star…
Bioterrorism: How Worried Should We Be?
Episode 22 of An Introduction to Infectious Diseases Series
Explore the three scenarios that pose the greatest threats in a bioterrorism attack: an airborne agent like anthrax, a smallpox attack, and a release of botulinum toxin in cold drinks. Understand the steps that the CDC takes to protect the…
Emerging and Reemerging Diseases
Episode 23 of An Introduction to Infectious Diseases Series
The outbreak of Ebola in 2014 in West Africa became an international crisis in a matter of weeks--even traveling across the ocean to the United States. Explore deadly emerging and reemerging diseases that continually challenge our detection and response abilities.
Food-Borne Illness: What’s Your Gut Feeling?
Episode 13 of An Introduction to Infectious Diseases Series
From traveler's diarrhea to food poisoning, explore a myriad of illnesses that can enter the body through the food you eat. Gain an awareness of a severe bacterial infection that is on the rise in hospitals, particularly in patients over…