TY  - ADVS
AU  - Armstrong,Jane
AU  - Rowley,Christopher
ED  - Discovery Channel School
TI  - Humans: who are we? 
PY  - 2003///
CY  - USA
PB  - Discovery Channel School
KW  - Human ecology
KW  - Human evolution
N1  - Executive producer, David Lint ; editor, John Whitcher; Narrator: Richard Thomas
N2  - See the amazing story of why we're the only species to invest in brains to survive. Unlike animals, we find our source of energy in our minds, not our bodies
ER  -