What separates us from nature?
A wider view
When agriculture once made sense
Time to forget about food, and remember naked people
An unusual evolutionary history
Natural climate change
Naked in a colder world
When naked is hot and not
Climate change and clothing
Our natural nakedness
The common thread
An invisible invention
Women's work is never seen
The definition of clothing
Clothing and human uniqueness
No return to nature
Climate change and the invention of clothes
Trouble with the transience of clothing
The science of early clothing
Complex clothing and modern life
The origin of nakedness
Naked is not necessarily sexy
Neoteny and loss of body hair
The thermal theory and its problems
Stand up and stay cool
How long have we been naked?
Nakedness and dark skin
Getting pubic lice from gorillas
Naked before the ice age
Global Cooling
A wobbly theory
Chilling out in the Pleistocene
Ice age or cold age?
Measuring the cold with isotopes
Why it got colder in the Northern Hemisphere
A bigger chill in higher latitudes
Why it got windy as well
Measuring past wind chill levels
Rapid climate swings
Averages and extremes
Sunny but freezing
Cold facts and naked truths
The limits of cold tolerance
Hypothermia
Not drowning on the Titanic
Frostbite and the shrinking penis
Acclimatization and its limits
Getting into shape for the cold
Clothes can make us feel colder
The unusual hypothermia of Australian Aborigines.