Cross-posted from Sentient Developments.   I'm surprised how often the Drake Equation is still mentioned when people discuss such things as the search for extra terrestrial intelligence (SETI), astrobiology and problems like the Fermi Paradox. Fairly recent insights in such fields as cosmology, astrobiology and various future studies ...

Seth Shostak is once again trying to justify the work of SETI. But seeing as that's his job, it's to be expected. He has to perpetually defend the work of SETI to secure public support and funding. Shostak notes that there are four primary suggestions as to why SETI hasn’t found a signal:1. “You’re counting on the ...