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Birthday parties, graduations, engagements, and most other milestones in our life get captured by photograph. The camera has revolutionized how we as a species document things, ranging from scientific purpose to simple a selfie with a friend at lunch. These days most people have access to a camera and the amount of photos we take is getting larger daily. So, how many photos have ever been taken? Listen to this Question Your World radio report produced by the Science Museum of Virginia to find out.
Diseases that were largely eradicated in the United States a generation ago—whooping cough, measles, mumps—are returning, in part because nervous parents are skipping their children's shots. NOVA’s “Vaccines—Calling the Shots” takes viewers around the world to track epidemics, explore the science behind vaccinations, hear from parents wrestling with vaccine-related questions, and shed light on the risks of opting out.
One of the defining traits of humanity is our social nature. Living and working together has been a large factor in our survival. For thousands of years we’ve been living together in cities. As technology increases so does the size and scope of our cities. How fast can cities grow? Listen to this Question Your World radio report produced by the Science Museum of Virginia to learn more.