Dawn Update

14 Oct 2011

NASA has released further information about its DAWN mission to the asteroid Vesta - see www.jpl.nasa.gov/news/news.cfm?release=2011-319&cid=release_2011-319 Vesta's surface has striking diversity in its composition, the spokesman is quoted as saying, particularly around craters. DAWN is now orbiting 420 miles above Vesta and is sending back images of high altitude mapping data (see also videos at www.ustream.tv/nasajpl12

Chaos theory of Evolution. This story is at www.newscientists.com/article/mg20827821.000-the-chaos-theory-of-evoluti... starts with a question, from  Charles Lyell to Charles Darwin - certain kinds of mollusc disappear from the British fossil record during the Ice Ages but reappear 2 million years later completely unchanged - why?