akabagel | Shared With: Everyone - Jun 11 2008 | evolution, bacteria, science, biology, awesome
Way cool
Quoted: Twenty years ago, evolutionary biologist Richard Lenski of Michigan State University in East Lansing, US, took a single Escherichia coli bacterium and used its descendants to found 12 laboratory populations.
Quoted: sometime around the 31,500th generation, something dramatic happened in just one of the populations – the bacteria suddenly acquired the ability to metabolise citrate, a second nutrient in their culture medium that E. coli normally cannot use.
Related Content from Around Faves
bacteria
-
Scientists have recently discovered that viral infections, such as meningitis, may be causing more traumatic brain injury harm that once thought. Researchers are looking into the severe trauma that infections are causing on the brain including an explo...
8 Favers - jpichit - 23 days ago5 FaversViewed: 6 Times
- JVd5385O - Aug 18 20081 FaverViewed: 6 Times
evolution
-
Fascinating stuff -- less than 20 minutes, but well paced and very thought provoking.
2 FaversViewed: 39 TimesQuoted: Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices, whether we're left, right or center. In this eye-opening ...
- btreloar - Aug 24 20082 FaversViewed: 8 Times
- X - Jun 18 20082 FaversViewed: 21 Times
