"[Our philosopher] asserted that he knew the whole secret...[H]e surveyed the two celestial strangers from top to toe, and mantained to their faces that their persons, their worlds, their suns and their stars, were created solely for the use of man. At this assertion our two travelers let themselves fall against each other, seized with a fit of...inextinguishable laughter"
-- Voltaire (1752)
Hello all. My name is Lu. This is a science blog, on a microscopic and astronomical scale (and a combination of both--extraterrestrials!). I'm biology student, pretty much in love with the universe.
Message for URL to my personal Tumblr.
Uranium waste bacteria. Coloured scanning electron micrograph (SEM) of Geobacter metallireducens bacteria (green) being used to digest uranium waste. This bacteria is able to survive in radioactive environments and turn the uranium waste from a soluble form (that can contaminate water supplies) to a solid form. Other species of Geobacter bacteria can eliminate petroleum contamination in polluted water and convert waste organic matter to electricity. Geobacter sp. are anaerobic bacteria (living without oxygen) that use metals to gain energy in the same way that humans use oxygen. Magnification: x7450 at 10 centimetres wide.