Scientific American Magazine Vol 280 Issue 5

Scientific American Magazine

Volume 280, Issue 5

You are currently logged out. Please sign in to download the issue PDF.

Features

Unmasking Black Holes

Until recently, the evidence for black holes was circumstantial. Now astronomers may have direct proof: energy is vanishing from volumes of space without a trace

Jean-Pierre Lasota

New Nerve Cells for the Adult Brain

Contrary to dogma, the human brain does produce new nerve cells in adulthood. Can our newfound capacity lead to better treatments for neurological diseases?

Gerd Kempermann, Fred H. Gage

Killer Kangaroos and Other Murderous Marsupials

Australian mammals were not all as cute as koalas. Some were as ferocious as they were bizarre

Stephen Wroe

Ada and the First Computer

The collaboration between Ada, countess of Lovelace, and computer pioneer Charles Babbage resulted in a landmark publication that described how to program the world's first computer

Betty Alexandra Toole, Eugene Eric Kim

The Andaman Islanders

The aboriginal inhabitants of a stretch of islands near India offer a fascinating glimpse into the way of life of traditional hunter-gatherers. But how long will this window to our past remain open?

Sita Venkateswar

XML Bridges

TSUNAMIS EVOLVE

Departments

Supply and Demand

Putting the Squeeze on Music

A Puzzle for Pirates

Sanctifying the Cosmos

ASPIRIN

QUANTUM SCULPTING

Entente Cordiale

A Medical Crusader for Editorial Freedom

50, 100 and 150 Years Ago

ADAM'S RIB?

PREVENTED PREVENTION

Hot Views of the Microscopic World

THE MAGNETIC ATTRACTION

Survivors and a Winner

Letters

FIELD OF DREAMS

WINK OF AN EYE

The Editors Recommend

Galileo's Cicada

LABOR UNIONS UNDER STRESS

Micromicrophones

HERE COME THE SUNS

Leaving A Bad Taste

IN BRIEF