By Professor Noel Fitzpatrick, Laura McKendry
By Frank Perry, Lotte Moeller
By Emma Milne
By MARK EVANS, Wendy Turner
By Jessica Pierce (Center for Bioethics and Humanities, University of Colorado Denver, Anchutz Medical Campus in Denver, Colorado, USA)
By Claire Waring, Adrian Waring, Bill Turnbull
By Angela Hayes
By Ted Hooper
By Mark Carwardine, The Natural History Museum
By Tina Hearne
By Dave Clarke
By Jo Bailey-Merritt
By Shirley Trevena