Volume 28 Issue 9 | September 2014

Cover Story

On the Other Hand

By | September 1, 2014

Handedness, a conspicuous but enigmatic human trait, may be shared by other animals. What does it mean for evolution and brain function?

Featured Articles

image: Beyond the Blueprint

Beyond the Blueprint

By , and | September 1, 2014

In addition to serving as a set of instructions to build an individual, the genome can influence neighboring organisms and, potentially, entire ecosystems.

image: The Second Coming of RNAi

The Second Coming of RNAi

By | September 1, 2014

Now showing clinical progress against liver diseases, the gene-silencing technique begins to fulfill some of its promises.




Meet some of the people featured in the September issue of The Scientist.


Head Scratchers

Many natural phenomena elude our understanding.

Speaking of Science

Speaking of Science

September 2014's selection of notable quotes

Freeze Frame

Caught on Camera

Selected Images of the Day from www.the-scientist.com


Six-Legged Syringes

Researchers whose work requires that they draw blood from wild animals are finding unlikely collaborators in biting insects.

Filling In the Notes

Why the brain produces musical hallucinations

Chagas Watchdogs

Can screening dogs for Trypanosoma cruzi antibodies inform public health officials about the risk of Chagas disease to people?


Splitting Hairs

Fragments of mitochondrial DNA from deer hair found on the clothing of an ice-entombed mummy offer a glimpse into Copper Age ecology.

Online First

Banking on iPSCs

A flurry of induced pluripotent stem cell banks are coming online, but they face significant business challenges.

Modus Operandi

Rewritten in Blood

A modified gene-editing technique corrects mutations in human hematopoietic stem cells.

The Literature

A Long Line of LINEs

Different mechanisms repress mobile DNA elements in human embryonic stem cells depending on the elements’ evolutionary ages.

Sexless Hook-Up

Genome fusion at stem graft junctions can generate new plant species.

Precisely Placed

Vein patterns in the wings of developing fruit flies never vary by more than the width of a single cell.


Crossing Boundaries

A groundbreaker in the study of Listeria monocytogenes, Pascale Cossart continues to build her research tool kit to understand how to fight such intracellular human pathogens.

Scientist to Watch

Ruben Gonzalez Jr.: Molecular Visualizer

Associate Professor and Director of Graduate Studies, Department of Chemistry, Columbia University. Age 42

Lab Tools

Entry Requirements

Recent developments in cell transfection and molecular delivery technologies

Surviving the Ice Age

A beginner’s guide to freezing and thawing pluripotent stem cells


Keeping Up with IP

It’s never too early to start thinking about intellectual property rights—even for biologists doing basic research.

Reading Frames

Aristotelian Biology

The ancient Greek philosopher was the first scientist.

Capsule Reviews

Capsule Reviews

An Indomitable Beast, What If?, Superintelligence, and Dataclysm


Illustrating Alchemy, 18th Century

As the science of chemistry developed, public perceptions of alchemists shifted from respect to ridicule.

EMD Millipore
EMD Millipore

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