The Land of Milk and Money
The first drug from a transgenic animal may be nearing approval
Features
Did Life Come from Another World?
New research indicates that microorganisms could have survived a journey from Mars to Earth
Crossbar Nanocomputers
Crisscrossing assemblies of defect-prone nanowires could succeed today's silicon-based circuit
The Workings of an Ancient Nuclear Reactor
Two billion years ago parts of an African uranium deposit spontaneously underwent nuclear fission. The details of this remarkable phenomenon are just now becoming clear
The Neurobiology of the Self
Biologists are beginning to tease out how the brain gives rise to a constant sense of being oneself
The Illusion of Gravity
The force of gravity and one of the dimensions of space might be generated out of the peculiar interactions of particles and fields existing in a lower-dimensional realm
Preparing for a Pandemic
One day a highly contagious and lethal strain of influenza will sweep across all humanity, claiming millions of lives. It may arrive in months or not for years--but the next pandemic is inevitable...
Departments
Ask the Experts
- Letters
Letters
- Advances
Wait a Second
Bugs and Drugs
Protecting against the Next Katrina
Red Star Rising
Comet Dust Bunny
Scoping Out the Planet
No Sleep, No Problem
Replenished Ozone
Take Your Breath Away
Use Your Illusion
Relative Distance
Road Assault on Water
- Recommended
Making Tracks on Mars
- Skeptic
Rupert's Resonance
- Anti Gravity
Naming Names
- 50, 100 & 150 Years Ago
Before Tectonics--Before Missiles--Before Film
- Perspectives
Preparing for the Worst
- In Brief
Data Points: Anxious Moments
Brief Points, November 2005
- By the Numbers
Fewer Men, More Crime
- Working Knowledge
Case Cracked
