While looking for aliens beyond our world, sometimes we ignore that billions of tiny aliens live within our world – the microscopic organisms that live right beneath our noses. For instance, the humble cat flea:
This amazing image and others can be found in two Telegraph articles featuring ‘portraits’ taken via electron scanning microscope: “Creepy Crawlies and “Microcosmos“. The latter collection is taken from the newly-released paperback of the same name.
