Overview
Use the Drake equation to calculate the number of civilisations in our galaxy. For fifty years, the Search for Extra Terrestrial Intelligence has been scanning the galaxy for a message from an alien civilisation. So far to no avail, but a recent breakthrough suggests they may one day succeed. Horizon joins the planet hunters who've discovered a new world called Gliese 581 c. It is the most Earth-like planet yet found around another star and may have habitats capable of supporting life. NASA too hopes to find fifty more Earth-like planets by the end of the decade, all of which dramatically increases the chance that alien life has begun elsewhere in the galaxy.
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45 - 1How to Kill a Human Being January 15, 2008 -
45 - 2Total Isolation January 22, 2008
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45 - 3What on Earth is Wrong With Gravity? January 29, 2008
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45 - 4Is Alcohol Worse than Ecstasy? February 05, 2008
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45 - 5How to Make Better Decisions February 12, 2008
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45 - 6How to Live to be 101 February 19, 2008
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45 - 7Prof. Regan's Supermarket Secrets February 26, 2008
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45 - 8Are we Alone in the Universe? March 04, 2008
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45 - 9How Much is Your Dead Body Worth? March 18, 2008
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45 - 10How Does Your Memory Work? March 25, 2008
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45 - 11The President's Guide to Science September 16, 2008
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45 - 12How Mad Are You? (1 of 2) November 11, 2008
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45 - 13How Mad Are You? (2 of 2) November 18, 2008
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45 - 14Jimmy's GM Food Fight November 25, 2008
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45 - 15Do You Know What Time It Is? December 02, 2008
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45 - 16Allergy Planet December 09, 2008
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45 - 17Where's My Robot? December 16, 2008
