The idea that it is funny to see wild animals coerced into acting like clumsy humans, or thrilling to see powerful beasts reduced to cringing cowards….

...In little more than a single century from 1820 to 19450, no less than fifty-nine million human animals were killed in inter-group clashes of one s….

I viewed my fellow man not as a fallen angel, but as a risen ape..

The roots of our Soccer Tribe lie deep in our primeval past..

Biologically speaking, if something bites you it's more likely to be female..

People who keep dogs live longer on average than those who do not. This is not some kind of pro-canine campaigning fantasy. It is a simple medical fa….

Under crowded conditions the friendly social interactions between members of a group become reduced, and the destructive and aggressive patterns show….

Artists like cats; soldiers like dogs..

The city is not a concrete jungle, it is a human zoo..

This unusual and highly successful species spends a great deal of time examining his higher motives and an equal amount of time ignoring his fundamen….

Life is like a very short visit to a toy shop between birth and death..

Looking back now on the whole sexual scene we can see that our species has remained much more loyal to its basic biological urges than we might at fi….

The age of a child is inversely correlated with the size of the animals it prefers..

Monks, nuns, long-term spinsters and bachelors and permanent homosexuals are all, in a reproductive sense, aberrant. Society has bred them, but they ….

We never stop investigating. We are never satisfied that we know enough to get by. Every question we answer leads on to another question. This has be….

In a social environment that is ever crowded and impersonal, it is becoming increasingly important to reconsider the value of close personal relation….

There is nothing biologically unusual about a homosexual act of pseudocopulation. Many species indulge in this, under a variety of circumstances..

There are one hundred and ninety-three living species of monkeys and apes. One hundred and ninety-two of them are covered with hair. The exception is….

Aquatic animals suffer from the disadvantage that they cannot scream when in pain, so we find it hard to gauge the degree of their agony. If fish cou….

It must be stressed that there is nothing insulting about looking at people as animals. We are animals, after all. Homo sapiens is a species of prima….

We are to put it mildly, in a mess, and there is a strong chance that we shall have exterminated ourselves by the end of the century. Our only consol….