Features

Sex Differences in the Brain

Brain Gain

Lost Colonies
Scientist to Watch

Jacob Hooker: Weaver of Brain Science
Director of Radiochemistry, Athinoula A. Martinos Center for Biomedical Imaging; Associate Professor, Harvard Medical School. Age: 35
Lab Tools

Into the Limelight
Glial cells were once considered neurons’ supporting actors, but new methods and model organisms are revealing their true importance in brain function.

Decon Recon
Published genomes are chock-full of contamination. But as awareness of the problem grows, so do methods to help combat it.
The Literature

Brain Freeze
A common tissue fixation method distorts the true neuronal landscape.

Negative Thinking
Researchers uncover the first light-controlled negative-ion channels in algae, and they are fast.

Sweet and Low
Glucose activates sleep-promoting neurons in the mouse hypothalamus.
Careers

Ready, Willing, and Able
Researchers with disabilities are making their fields more accessible.
Reading Frames

Brain New World
The melding of mind and machine uncovers mysteries harbored in the brain.
Editorial

Special Delivery
Neurons in new brains and old
Speaking of Science

Speaking of Science
October 2015's selection of notable quotes
Notebook

Ocean Sentinels
Researchers are struggling to understand shifts in the migratory patterns of penguins in the Southwest Atlantic.

Lefties, Language, and Lateralization
The long-sought genetic link between handedness and language lateralization patterns in the brain is turning out to be illusory.

Formaldehyde Fears
Data on the links between ALS and the chemical have been contradictory, but the latest study suggests undertakers are at risk.

Whistle While You Work Your Brain
Communication based on whistles offers a “natural experiment” for studying how the brain processes language.
Profiles

Circuit Dynamo
Eve Marder’s quest to understand neurotransmitter signaling is more than 40 years old and still going strong.
Modus Operandi

Holding Neurons Steady
Scientists engineer a feedback loop to fine-tune neuron activity with optogenetics.
Foundations

The First Neuron Drawings, 1870s
Camillo Golgi’s black reaction revealed, for the first time, the fine structures of intact neurons, which he captured with ink and paper.
Contributors

Contributors
Meet some of the people featured in the October 2015 issue of The Scientist.
Online First

Opinion: Pay-to-Play Publishing
Online scientific journals are sacrificing the quality of research articles to make a buck.