Big Ideas: Searching for aliens and the cure for the common cold

Scientists identify a protein that could help vanquish the common cold. Plus, take a look inside "Pulsar Guardian," Lockheed Martin’s new facility, which will allow governmental and commercial customers to run war games simulating conflict in space. And, meet Dragonfly, the nuclear-powered self-driving drone, that NASA is sending to one of Saturn's moons.

    Big Ideas: Searching for aliens and the cure for the common cold

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