Features

The Second Coming of RNAi
Capsule Reviews

Capsule Reviews
An Indomitable Beast, What If?, Superintelligence, and Dataclysm
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.

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

Sexless Hook-Up
Genome fusion at stem graft junctions can generate new plant species.
Profiles

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
Careers

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.
Foundations

Illustrating Alchemy, 18th Century
As the science of chemistry developed, public perceptions of alchemists shifted from respect to ridicule.
Online First

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

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

Filling In the Notes
Why the brain produces musical hallucinations

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

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.
Freeze Frame

Caught on Camera
Selected Images of the Day from www.the-scientist.com
Speaking of Science

Speaking of Science
September 2014's selection of notable quotes
Editorial

Head Scratchers
Many natural phenomena elude our understanding.
Contributors

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

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