Listen to a round table discussion about the ethics of robot warfare.
Listen to a round table discussion about the ethics of lie detector tests.
What is causing dengue fever to spread? How scientists hope to develop an HIV vaccine. Why a 'goldilocks' planet is not 'just right' for life.
What is salt pollution? Highlights from a recent stem cell meeting. New findings show the importance of bees.
How is the tracking technology in passports used in other ways? Science is letting kids play with snow all year round. Ancient viruses lie dormant in frozen lakes.
Why did Congress move daylight savings time? Sophisticated recording devices might be placed in our national parks. A teenage girl benefits from gastric bypass surgery.
In episode one of The Sound of Science, find out how air bags relate to video games, which predator might dethrone polar bears as the top of the food chain in the Arctic, and how a dust cloud circumnavigates the globe.
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