All of us, at least once, have asked this question: there is life on other planets? When thinking about extraterrestrial life we usually imagine little green creatures with antennae on their head, but what scientists are looking for are microscopic organisms, more similar to bacteria than to humans. The American National Aeronautics and Space AdministrationContinue reading “Searching for extraterrestrial microbes”
Tag Archives: astrovirology
The fantastic world of viruses
Viruses are microscopic parasites made only of their genetic material in a protein envelope. Viruses are not living beings since they are not able to replicate on their own: to do so they need to invade a cell and hijack its functions.