Daisy Yuhas edits the Scientific American column Mind Matters. She is a freelance science journalist and editor based in Austin, Tex. Follow Yuhas on Twitter @DaisyYuhas
Sharing the Wealth (of Knowledge): Cumulative Cultural Development May Be Exclusively Human
Studies suggest that cumulative culture is unique to people, and that collaborative learning may be the key to human advancement. But precisely where to draw the lines for culture remains unclear
Cracks in the Plaques: Mysteries of Alzheimer's Slowly Yielding to New Research
Science is bringing some understanding of the heritability, prevalence and inner workings of one of the most devastating diseases
Word-of-Mind: Researchers Decode Words from the Brain's Auditory Activity
Interpreting signals from the brain's language-processing center may improve speech-recognition technology or provide a means for the severely disabled to communicate