Geoff B

@zerogguy

#STEM educator, @GoWeightless flyer, #NASA Endeavor Fellow, STS-131 Launch VIP, host of @almostrocketsci podcast, space-geek, craftsman, #NASATweetup alumn

what does this mean? plenty of 4 leafs around it too...how did mutations come to symbolize good luck?

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1567 days ago

what does this mean? plenty of 4 leafs around it too...how did mutations come to symbolize good luck?

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