Science!

Mike the Mad Biologist discusses evidence, from the research of anthropologist George Armelagos and medicinal chemist Mark Nelson, that the ancient Nubians may have deliberately used antibiotics, in the form of beer from cultures containing tetracycline-producing streptomyces strains. If true, this represents yet another example of lost technology.
Meanwhile, Phil Plait of Bad Astronomy discusses the spectacular Hubble image of a spiral formed by the death of a carbon star that belongs to a binary pair.
And on the lighter side, Tom Swanson of Swans on Tea has some science- and math-related jokes.

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