The Unseen Genome: Gems among the Junk
Just when scientists thought they had DNA almost figured out, they are discovering in chromosomes two vast, but largely hidden, layers of information that affect inheritance, development and disease
Features
Why We Sleep
The reasons that we sleep are gradually becoming less enigmatic
Flying on Flexible Wings
Future aircraft may fly more like birds, adapting the geometries of their wings to best suit changing flight conditions
Evolution
Stranger in a New Land
Stunning finds in the Republic of Georgia upend long-standing ideas about the first hominids to journey out of Africa
The Future of String Theory -- A Conversation with Brian Greene
The physicist and best-selling author demystifies the ultimate theories of space and time, the nature of genius, multiple universes, and more
An Army of Small Robots
For robot designers these days, small is beautiful
The Asteroid Tugboat
To prevent an asteroid from hitting Earth, a space tug equipped with plasma engines could give it a push
Departments
Weekend Weather
- Letters
Letters
Erratum
- Advances
Healing the Grid
Light Sails to Orbit
Malcode Melee
Restoring the Rio
Brain Not Inflamed?
Cleaner Living
Killing the Competition
Edward Teller, 1908-2003
Bacterial Batteries
Black Hole Life Preserver
- Recommended
Limited Visibility
- Skeptic
Candle in the Dark
- Anti Gravity
A Bridge Too Far
- 50, 100 & 150 Years Ago
Mathematics of Children -- Culture of Crete -- Philosophy of Heat
- Perspectives
Penny-Wise, Planet-Foolish
- In Brief
Data Points: November 2004
Brief Bits: Novemeber 2003
- Puzzling Adventures
Liquid Switchboard
- Voyages
Waiting for Liftoff
- Staking Claims
Shrink-Wrapping the World
- Innovations
Baffling the Bots
- By the Numbers
Why Women Work
- Working Knowledge
Staying Power
- Departments
Fuzzy Logic
- Ask the Experts
Ask the Experts: November 2003
