The notorious ‘martian meteorite’ ALH84001 weighed about 4 pounds or less than 2 kilos, but Andrew Griffin is proposing much smaller objects could provide clues as to whether we are alone or not. According to University of Tokyo’s Tomonori Totani there could be proof of intelligent life in stardust. As to the hows and whys, the theory gets pretty wild. While those motes may not be nanites, there’s A Trendy New Chemical Theory For Where Aliens Are Hiding called “assembly theory”. In short, complex molecules can only come from living beings so seeking those out on distant exoplanets, et al., should confirm the existence of complex and intelligent life. As always there’s a lot more afoot and David Axe has the full story. (CS)
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