She says her hope comes from her belief in four things: the human brain,the human spirit, nature's strength and the energy of young people.

VOA: special.2009.11.18

In times of extreme hardship, the human brain may have developed a way to create a social link, the sense of a helpful and guiding partner.

VOA: special.2010.02.24

It doesnt matter whether they are at great elevation or at sea level. John Geiger suggests that the brains effort to create a Third Man is not an accident of human brain structure, or a sign of injury in extreme conditions.

VOA: special.2010.02.24

But Eric Halgren points out that despite our growing knowledge, much about the human brain remains unknown.

VOA: standard.2010.01.15