Thursday, May 13, 2010

Earth’s ‘shadow’ biosphere and ETI’s science

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - Volcanoes play a major role in Earth's climate, as evidenced by the recent eruption in Iceland. Some volcanic activity that isn't quite as visible, like the ocean's version of the La Brea Tarpits off the Santa Barbara coast, also has an effect on life. See article.
g Life - In the past couple of decades we have found a shadow biosphere, except that far from lurking in the cracks it turns out to be the biggest, most critical, biosphere on the planet. See article.
g Message - The Harvard SETI Group have conducted several searches for extraterrestrial life since 1978. Here’s a history of those searches.
g Cosmicus - NASA's Ames Research Center generated 5,300 jobs and $877 million in total annual economic activity in the nine-county San Francisco Bay Area in 2009, according to a new economic benefits study. See article.
g Learning - The fact that stories about 2012 are not discussed in science journals or reported at science meetings is a strong warning that Nibiru and pole shift and the like are not real. They represent a hoax, plain and simple. See article.
g Imagining - What might science on another world be like? Does the fact that two civilizations share a common technology for the transmission of electromagnetic radiation imply that they have equivalent versions of physics or mathematics? See article. Note: This article is from 2001.
g Aftermath - If some day SETI succeeds in detecting a signal from extraterrestrials, we will be faced with the frustration of not knowing as much about the senders of the signal as we would like. As with all scientific experiments, it will be vital for us to sift through the data, always careful not to jump to hasty conclusions. By better understanding how our own biases might creep into our interpretation of the data, we will be better prepared to remain as objective as possible. Humankind will face many important decisions upon detecting ET, such as whether or not we should reply. It would be unfortunate indeed if those decisions were based more on personal prejudice than on well-reasoned analysis. See article. Note: This article is from 2001.

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