AAAS (American Association for the Advancement of Science) (US website): “Science Update: Visual math"
http://www.sciencenetlinks.com/sci_update.cfm?DocID=122

AAAS Radio (USA): Interview with Marco Zorzi
http://www.scienceupdate.com/audio/020628_sciup_visu.ram

American Mathematical Society (US website): “The number line is real”
http://www.ams.org/mathmedia/archive/07-2002-media.html

National Post (Canadian newspaper): “Space might be the key to math perception”
Download here.

WissenschaftOnline (German science website): “Auf die Zahl gefühlt“
http://www.wissenschaft-online.de/abo/ticker/591674

wissenschaft.de (German science website): “Zahlenband im Kopf“
http://www.wissenschaft.de/sixcms/detail.php?id=148867

l’Unità (Italian newspaper): “Il nostro cervello mette i numeri in riga”
Download here.

Folha de San Paulo (Brasilian newspaper): “Segredo de gênio é visualizar número”
See here.

Le Scienze (Italian edition of Scientific American): “Lo spazio fisico dei numeri”
Download here.

Le Scienze (Italian edition of Scientific American): “Operazioni mentali e una strana sindrome”
Download here.  

Pour la Science (French edition of Scientific American): “La ligne mentale des nombres”.
Download here.