A Simpler Origin for Life
The sudden appearance of a large self-copying molecule such as RNA was exceedingly improbable. Energy-driven networks of small molecules afford better odds as the initiators of life
Features
Restoring America's Big, Wild Animals
Pleistocene rewilding--a proposal to bring back animals that disappeared from North America 13,000 years ago--offers an optimistic agenda for 21st-century conservation
Seeing Triple
Anticipated for decades, machines are finally displaying real objects in three true dimensions
The Traveler's Dilemma
When playing this simple game, people consistently reject the rational choice. In fact, by acting illogically, they end up reaping a larger reward--an outcome that demands a new kind of formal reasoning...
Breaking Network Logjams
An approach called network coding could dramatically enhance the efficiency and reliability of communications networks. At its core is the strange notion that transmitting evidence about messages can be more useful than conveying the messages themselves...
Lifting the Fog around Anesthesia
Learning why current anesthetics are so potent and sometimes dangerous will lead to a new generation of safer targeted drugs without unwanted side effects
When Fields Collide
The history of particle cosmology shows that science can benefit from wrenching changes
Departments
Going beyond X and Y
Climate Change Refugees
Dumb Cup
Lunar Idea -- Milk Agenda -- Balloon Dismay
Ask The Experts
- Letters
Letters
- Advances
Fish That Go Skin-Deep
Silicon Smackdown
Atomic Fingerprinting
Beam Weapons Get Real
Green Gold in a Shrub
A Good Turn
"Memjet" Momentum
Stick It to the Kids
Brain Damage for Easier Moral Choices
Martian Cave Dwellings
Rodent Roy G. Biv
Brain Brakes
Collagen from T. Rex
- Recommended
Uncertainty: Einstein, Heisenberg, Bohr, And The Struggle For The Soul Of Science
- Skeptic
The (Other) Secret
- Perspectives
Serengeti in the Dakotas
- In Brief
Data Points: Collision Decision
Brief Points, June 2007
- Working Knowledge
The Write Type
