Table of Contents February 1994

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
Digital editions


On April 23, 1991, the author, a retired surgeon, died. Here is his account of the comatose days that preceded his death--and of the clear, conscious days that followed it.
For ten years, two zealous, self-appointed investigators of scientific fraud made headlines--and enemies. Now they have been reined in, yet the questions remain: what were they after? And what did they gain?
Africa's racial history was not necessarily its racial destiny. To unravel the story of Africa's past, you must not only look at its faces but listen to its languages and harvest its crops.
In southern California there's a place where molecular matings are captured flagrante delicto, by laser flashes so fleeting that 10 trillion will pass while you read this sentence.
For 160 million years reptiles flew above the Earth. For just over 200 years we humans have known something of their existence. But only recently have we really begun to understand their lives--or their looks.