01 Nov 2010
Oprah Magazine
Catherine Price
22 Sep 2010
Globe and Mail
Anne McIlroy.
06 Jun 2010
The New York Times
Matt Richtel.
19 Apr 2010
New York Post
David K. Li.
26 Mar 2010
Science Daily
16 Jan 2010
The New York Times
24 Apr 2009
Discover Magazine
02 Dec 2008
The Wall Street Journal
26 Nov 2008
Scientific American