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Show Notes
Joe Johnson is our resident science guy and he's bringing us a few stories that caught his eye this week, including a landmark 20-year archaeological dig in Northern Scotland has come to an end, yet discoveries continue to show its significance; scientists drilled an ice core two miles down in Antarctica, extracting 1.2 million years of the earth's climate record; and a "planet parade," in which six planets — Mars, Jupiter, Uranus, Neptune, Venus, and Saturn — will align in the sky. Four of these planets (Mars, Jupiter, Venus, and Saturn) will be easily visible to the naked eye.