The walking wounded, impaired in life and dissected in death, were our primary clues to where and how parts of the brain work.

Brain science will be the most popular science of the early twenty-first century.

Life on a factory farm is well-nigh unbearable for the animals or birds, and it is often foul for the women and men who process the meat that results - especially in factories for chicken parts. But do not sentimentalize. Do not imagine barnyard life is a bowl of cherries.

Every moral teacher or spiritual adviser gives injunctions about how to live wisely and well. But life is so complicated and full of uncertainty that rules seldom tell us quite what to do.

In every generation, there are quite firm rules on how to behave when you are crazy.

If you were just intent on killing people you could do better with a bomb made of agricultural fertiliser.