Ciencia..

Lecturas interesantes:
http://www.caosyciencia.com/
http://meteorites.lpl.arizona.edu/ http://web.mit.edu/redingtn/www/netadv/meteors.html http://web.mit.edu/afs/athena.mit.edu/user/r/e/redingtn/www/netadv/bioast/clash/index.html
http://www.dpc.ucar.edu/globalChange/intro.html