Using Causality to Solve the Puzzle of Quantum Spacetime
A new approach to the decades-old problem of quantum gravity goes back to basics and shows how the building blocks of space and time pull themselves together
Features
The Migration History of Humans: DNA Study Traces Human Origins Across the Continents
DNA furnishes an ever clearer picture of the multimillennial trek from Africa all the way to the tip of South America
No-Till: How Farmers Are Saving the Soil by Parking Their Plows
The age-old practice of turning the soil before planting a new crop is a leading cause of farmland degradation. Many farmers are thus looking to make plowing a thing of the past
Rubik's Cube Inspired Puzzles Demonstrate Math's "Simple Groups"
A new set of puzzles inspired by Rubik's Cube offers puzzle lovers the chance to get acquainted with the secret twists and turns of mathematical entities called sporadic simple groups
Hands-On Computing: How Multi-Touch Screens Could Change the Way We Interact with Computers and Each Other
The iPhone and even wilder interfaces could improve collaboration without a mouse or keyboard
So You Think You Can Dance?: PET Scans Reveal Your Brain's Inner Choreography
Recent brain-imaging studies reveal some of the complex neural choreography behind our ability to dance
Departments
Is the U.N. Deadline on Curing Malaria Wishful Thinking?
Could Our Own Proteins Be Used to Help Us Fight Cancer?
NASA Satellites Watch Polar Ice Shelf Break into Crushed Ice
Ask the Experts
Sacred Science: Using Faith to Explain Anomalies in Physics
Summarized Cinema: Science Movies Explained in a Sentence
100 Years Ago in Scientific American: Curtiss "June Bug" wins Flight Contest
Jeremy Nicholson's Gut Instincts: Researching Intestinal Bacteria
- Letters
Readers Respond: "When Markets Beat the Polls"
- Advances
Preemptive Strike Against Mindless Mistakes
News Scan Briefs: Eating with Tension, Cancerous Marriage, Milk and Diabetes
Chemical Fossils Preserved in Lava Reveal Remains of Ancient Sea Life
Looking at Yesterday's Genes for Tomorrow's Cures
Farming Solar Energy in Space
GINA Becomes Genuine
A Milk-Diabetes Connection?
How Cells Make Use of Random Biochemical Reactions
Updates: Whatever Happened to Protecting Cells from Radiation?
Green Porno: SciAm Talks Insect Sex with Isabella Rossellini
Can the "Amphibian Ark" Save Frogs from Pollution/Extinction?
- Recommended
Reviews: "A View of Science, Reason and Religion"
- Perspectives
Law Protects Genetic Secrets History Would Rather Let Lie
- In Brief
In Brief, July 2008
Data Points: People in Pain
- Working Knowledge
Cruise Ships: How They Sail Skyscrapers Around the World
