From Silk Cocoon to Medical MiracleScientists are crafting arteries, ligaments, circuitry and holograms from worm yarn
How to Build the SupergridThe U.S. needs a new electric transmission system to deliver cleaner, more reliable power nationwide. Four steps could clear hurdles
Phosphorus Lake: A Snapshot of Fertilizer FalloutStrip-mining Florida to fertilize the nation
Dark Worlds: A Journey to a Universe of Unseen MatterA shadow cosmos, woven silently into our own, may have its own rich inner life
Halting the World's Most Lethal Parasite: Immunizing Mosquitoes and Other "Crazy" Antimalaria IdeasA new malaria vaccine, a plan to immunize mosquitoes, and other "crazy" ideas have brightened prospects for vanquishing this killer
Dr. Unification: Steven Weinberg on Getting the Forces of Nature TogetherFor years the cosmos and the atom have been at odds with one another. If any physicist can reconcile them, it's Steven Weinberg
Climate Heretic: Judith Curry Turns on Her ColleaguesWhy can't we have a civil conversation about climate?
Controlling the Brain with LightWith a technique called optogenetics, researchers can probe how the nervous system works in unprecedented detail. Their findings could lead to better treatments for psychiatric problems
What is it?
To Breed a Better Bird
Getting It Right on Stem Cells
Going with the Flow: Can the Similarity between Gravitation and Electromagnetism Be Exploited?
The Iceman's Last Stand
Nice Germs Finish Last: "Good Samaritan" Bacteria Provide New Clues in Antibiotic Resistance
Study of Facebook Users Connects Narcissism and Low Self-Esteem
Fit for a Princess: the Physics of Rapunzel's Gown
Finding a Killer's Achilles' Heel: Clues from a Pandemic
Window Shopping for Electric Cars: How to Compare Conventional and Plug-in Vehicles
Hawking versus God: What Did the Physicist Really Say about the Deity?
Darwin Was a Punk
Bugs in Space
Fudge Factor: A Look at a Harvard Science Fraud Case
From the Editor
The Great Chemical Unknown: A Graphical View of Limited Lab Testing
Letters to the Editors
Readers Respond to "How Babies Think" and Other Articles
Recommended: The Princeton Field Guide to Dinosaurs
The Skeptic's Skeptic
The Trouble with E-Readers, by David Pogue
The Science of Health
Why Women Live Longer