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Dreams of Other Worlds: The Amazing Story of Unmanned Space Exploration


Today we talk with one of the authors of "Dreams of Other Worlds: The Amazing Story of Unmanned Space Exploration" a new book that reflects on some of the most remarkable and iconic space missions of the last 50 years. Also… A scientist searching for the origin of flowering plants says the earliest flower to bloom did so during a period when dinosaurs roamed the Earth. Communications technology like mobile phones and the internet are providing clinical health care at a distance expanding care to new levels of accessibility. NASA lifts its controversial ban on the participation of Chinese scientists at a scientific conference in California next month. As smartphone usage grows in South Africa, companies are tapping into the technology.  We look at the growing market for smartphone apps. Scientists have found a possible answer to an age-old question, why do we sleep? The answer may lead to new treatments for neurological disorders such as Alzheimer's or Parkinson's disease.

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