By John Andreas Olsen
By John Paul Minda
By Rory MacLean
By Paul G Bahn
By Antonio Damasio
By James Borg
By Cole, W.Owen
By Dambisa Moyo
By Graveney, Charles
By Groves, Paul, Paul Groves
By Hill, Derek Ingram
By Charlotte Brookfield, Jamie Lewis
By Paul Grant
By Aaron Doyle, Richard V. Ericson
By Jo Beall
By Rolph Hoeven, Richard Anker
By Drosnin, Michael
By Mark R. Leary
By Graham Clarke
By Carol Smart
By Dr Jennifer Barnett, Dr Alexis Willett
By Stephanie Cacioppo
By Benn, Tony, Mullin, Chris
By A. J. Polan
By Michael Leach
By Paul Mendelson
By Abigail Marsh