One of the most distinctive evolutionary features of human beings is our unusually long, protected childhood.

From an evolutionary perspective children are, literally, designed to learn. Childhood is a special period of protected immaturity. It gives the young breathing time to master the things they will need to know in order to survive as adults.

Ineffective or weak brain connections are pruned in much the same way a gardener would prune a tree or bush, giving the plant a desired shape.

We don't wife our husbands and we don't child our parents.

Animals are certainly more sophisticated than we used to think. And we shouldn't lump together animals as a group. Crows and chimps and dogs are all highly intelligent in very different ways.

On the Web we all become small-town visitors lost in the big city.

To support the people we care about is intrinsic, it is not instrumental. It's not something we do because we're hoping to get some other outcome.