In a new study published today in Science Advances, researchers present a 3D-printable ink that contains bacteria and they say that depending on what species of bacteria it holds, the ink stands to have a number of useful applications. “Printing using bacteria-containing hydrogels has enormous potential, as there is such a wide range of useful bacteria out there,” Patrick Rühs, an author of the study, said in a statement.
A tattoo convention this past weekend in Quito, Ecuador, brought a dizzying array of colorfully tattooed bodies. Not as prominently featured? Some of the weird ways tattoos can affectyour health.