The Bad Astronomer writes "News is going around the web that a scientist in the UK has found life (in the form of microscopic diatoms) in a meteorite, and has even published a paper about it. However, there are a lot of reasons to strongly doubt the claim. While the diatoms appear to be real, they are certainly from Earth. The meteorite itself, on the other hand, does not appear to be real. Many of the basic scientific steps and claims made in the paper are very shaky. Also, the scientist making the claim, N. C. Wickramasinghe, has made many fringe claims like this in the past with little or no evidence (such as the flu and SARS being viruses from space). To top it off, the website that published the paper, the Journal of Cosmology, has an interesting history of publishing fringe claims unsupported by strong evidence. All in all, this claim of life in a space rock is at best highly doubtful, and in reality almost certainly not true." 
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