The Birth of Optogenetics
An account of the path to realizing tools for controlling brain circuits with light
By Edward S. Boyden
An account of the path to realizing tools for controlling brain circuits with light
By Edward S. Boyden
These small membrane vesicles do much more than clean up a cell’s trash—they also carry signals to distant parts of the body, where they can impact multiple dimensions of cellular life.

Whether it’s attending a Scottish dance party or asking physics buffs to custom build your tools, researchers at this year’s top institutions are getting creative at work.
Why we love our jobs—there’s never a dull moment.
Eleanor Simpson on how dopamine helps rats learn and may lead humans to addiction
In the dark Arctic shallows one researcher finds heterotrophic marine bacteria doing a surprising amount of carbon fixing.
Researchers trace the evolution and spread of the tuberculosis bacterium back to the early fur trade in Canada.
One of the researchers instrumental in constructing the fluid mosaic model of cell membranes is also a widely recognized authority on antique timepieces.
July 2011′s selection of notable quotes
A virtual lab—where all sorts of parameters are monitored and recorded—promises researchers a higher degree of reproducibility.
A powerful new X-ray–generating laser is imaging smaller crystals than ever before.
New strategies are needed to address the current and future shortages of radioisotopes that threaten medical research and treatment.
Editor’s Choice in Structural Biology
Editor’s Choice in Immunology
Editor’s Choice in Microbiology
The story of the US government’s efforts to stamp out smallpox in the early 20th century offers insights into the science and practice of mass vaccination.
Studying the earliest events in visual development, Carla Shatz has learned the importance of looking at one’s data with open eyes—and an open mind.
Member, Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington. Age: 38
Doing science sustainably
How cognitive prejudices can influence research decisions, and how the pitfalls of human nature can be avoided
Solar, The Dark X, The Sky’s Dark Labyrinth, Spiral
The discovery of a new and mysterious form of radiation in the late 19th century led to a revolution in medical imaging.
Meet some of the people featured in the July 2011 issue of The Scientist.
Eleanor Simpson, a neuroscientist at Columbia University Medical Center, discusses a recent Nature paper that probes dopamine’s role in helping…
The optogenetic toolset is composed of genetically encoded molecules that, when targeted to specific neurons in the brain, enable the…
Exosomes are small membrane vesicles secreted by most cell types. Internal vesicles form by the inward budding of cellular compartments…
Take a tour of the Linac Coherent Light Source (LCLS), whose ultra-powerful X-ray beam is being used to solve the…
Meet some of the finalists of this year’s Best Places to Work in Academia survey. Read the full story.
This animation illustrates optogenetics—a radical new technology for controlling brain activity with light. Ed Boyden, the co-inventor of this technology,…