Articles from the author

Understanding tornadoes puts scientists in a whirl

The ship had a cargo hold filled with ceramic jars, some - and perhaps all - of them filled with salt fish. It probably left from a seaport in what is now Turkey and sailed northwest through the Black Sea to the Crimea to pick up its load.

A war with Iraq may allow the United States to debut a new - and perhaps revolutionary - class of weapons that can cripple an enemy's ability to fight without harming people or destroying buildings.

Earth's core a reactor that is shutting down

The mathematics are inescapable. The higher the altitude, the less oxygen the air will hold, and the more difficult it is to breathe. Either the body adapts, or the person dies.

Multispectral imaging has helped scholars turn up new bits of lost plays by Euripides, Sophocles and Menander.

A clever system allows scientists to find out what migrating birds eat, without hurting them.

Norse map or German tale?

Cave art offers insights into evolution