Skin do's and don'ts

Sun exposure

Exfoliation and abrasives

Grooming your child

Striking blood

Grooming and water

Science couldn't find the pain

Hair and fur

Folds and the nervous system

Mirror usage

Folds reduce the blood flow

Nails and fingers

What is unpain?

A pain-free old age

Human beauty

How to react to itch

You're not supposed to be ugly

A return to nudity

Are you vain?

The main skin folds

Facial expressions

The dermis

Fold theory

The first humans
and bipedalism

Fold crossing theory

Human evolution

Skin conditions and disorders

Earth and life history timeline