Men, women, sex, and Darwin / Natalie Angier --
Back to the land / Wendell Berry --
Africa's wild dogs / Richard Conniff --
http://www.whenis̲eṉougheṉough?.com / Paul de Palma --
Something happened / Helen Epstein --
Under water / Anne Fadiman --
The cancer-cluster myth / Atul Gawande --
Clock of ages / Brian Hayes --
That sense of falling / Edward Hoagland --
A new germ theory / Judith Hopper --
Heavy grace / Wendy Johnson --
The wisdom of toads / Ken Lamberton --
The island at the end of the earth / Peter Matthiessen --
Lulu, queen of the camels / Cullen Murphy --
The demon in the freezer / Richard Preston --
Brilliant light / Oliver Sacks --
This is not the place / Hampton Sides --
Gorilla warfare / Craig B. Stanford --
String theorists find a Rosetta Stone / Gary Taubes.