Adrienne Mayor

I write in two very different places: my desk in Palo Alto, California, is piled high with myriad jumbled books and papers whose stratigraphy is a challenge. Summers in Bozeman, Montana, I write in a spare space, surrounded by interesting rocks and fossils instead of books, on an old oak table with nothing but my laptop.

Pergamon, a prosperous city in western Anatolia, was fabled to have been founded by Hercules' son. Like many Hellenistic cities populated by Greeks who intermarried with indigenous people, Pergamon after Alexander the Great's death (323 B.C.) had evolved a hybrid of democracy and Persian-influenced monarchy.

In April 2001, I visited Big Bone Lick State Park in Kentucky. The heaps of mastodon and other large skeletons that used to loom out of the brackish backwaters along the Ohio River here are long gone, though the occasional big bone sometimes comes to light.

Keyless entry in a car is something that we're used to. Somehow, the home has been very resistant to this. Some of it has to do with security, but today we know that technology, when things are invisible, is actually safer than physical artifacts.