The Nobel Prizes for 1999
Explanations of the science underlying the world's most prestigious awards for physics, chemistry and physiology plus a look at the prizes for peace, won by a physicians organization, and economics...
Features
Snowball Earth
Ice entombed our planet hundreds of millions of years ago, and complex animals evolved in the greenhouse heat wave that followed
Narcolepsy
Although people with the disorder do not fall face-first into their soup as in the movies, narcolepsy is still a mysterious disease. But science has new leads
Negative Energy, Wormholes and Warp Drive
The construction of wormholes and warp drive would require a very unusual form of energy. Unfortunately, the same laws of physics that allow the existence of this negative energy also appear to limit its behavior...
Once We Were Not Alone
Today we take for granted that Homo sapiens is the only hominid on Earth. Yet for at least four million years many hominid species shared the planet. What makes us different?...
Voyage to SUPERHEAVY Island
The synthesis of element 114 confirmed decadesold theoretical predictions of a little patch of nuclear stability in a sea of shortlived superheavy nuclei
Maglev: A New Approach
The Inductrack promises a safer, cheaper system for magnetically levitating trains. The same technology can also be used to launch rockets
The Unmet Need for Family Planning
Women and men in many countries still lack adequate access to contraceptives. Unless they are given the option of controlling their fertility, severe environmental and health problems loom in the coming century throughout large parts of the world...
Departments
- From the Editor
Warp Drive Goes Here
Erratum
- Letters
Letters
- Anti Gravity
When Good Hippos Go Bad
- 50, 100 & 150 Years Ago
50, 100 & 150 Years Ago: The U.N. Verss Mass Destruction, Radium and New Prussian Rifle
- Wonders
Roll Back Malaria
- In Brief
IN BRIEF
- Reviews
An Irresistible Subject
The Editors Recommend
- Profile
Setting the Course for the Nation's Health
- Mathematical Recreation
Impossibility Theorems
- Amateur Scientist
Detecting Extraterrestrial Gravity
- Science and the Citizen
MAMMAL MELEE
NO SPACE SEX?
Schrödinger's Games
- By the Numbers
Going the Distance
- Working Knowledge
INSTANT FILM
- Connections
On the Ball
- Cyber View
Making Money the New-Fashioned Way
- Technology and Business
JUMBO TROUBLE
SELF-CONTROL IN THE SKIES
WINDS OF CHANGE
- In Focus
Melting Away
