Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.
Sunday, November 22, 2009 |
Sunday, November 22, 2009 |
Photo: Ancient Plant Matter Found in Waste Dump's Salt WallsThe 253-million-year-old salt crystals contained plant matter called cellulose (bottom) and possibly ancient DNA. Photographs courtesy Jack D. Griffith/UNC-Chapel Hill
|
ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
|
ADVERTISEMENT
|