Human physiology

New study shows that we direct our gazes differently even when we are staring at the same images.
Charles Q. Choi, Contributor
Different people respond to cannabis in different ways, making a blood THC level difficult to legislate.
Joel Shurkin, Contributor
Eating softer processed foods changed the position of humans' adult teeth, making it easier to say sounds like "f" and "v," new research suggests.
Charles Q. Choi, Contributor
Polio peaks in the summer, measles during the school year, and chickenpox in the spring.
Claire Cleveland, Contributor
Insights into natural brain rhythm could help people with Parkinson's disease.
James Gaines, Contributor
When the bison were exterminated from North America, indigenous populations lost an inch of height in just a generation.
Katharine Gammon, Contributor
A neuroscientist explains how music is the language of emotion.
Alistair Jennings, Contributor
Many of the boys in the choir had tics, leading the scientists to speculate that the repetitive movements may be related to motor learning.
Yuen Yiu, Staff Writer
Dressmakers are exceptional at judging distances, while dentists and surgeons are no better than the rest of us.
Nala Rogers, Staff Writer
Singing is not just emotion -- it is motion as well. But how far do the vocal cords crawl in a single operatic performance?
Jason Socrates Bardi, Editor
New technology using a one-color laser may drive future generation of high-tech hearing aids.
Jason Socrates Bardi, Editor
Findings could lead to a future drug that mimics the health benefits of exercise.
Marcus Woo, Contributor