Walking on two legs is a rare and fascinating ability in the animal kingdom, observed across birds, mammals, and even small rodents. From waddling penguins to hopping kangaroos, these creatures have ...

Can an alliance of social movements defeat racist legislation and authoritarian takeover? What happened a decade ago in North Carolina provides inspiration for what we need to do in the US today. In ...

Stereotypic movement disorder is a motor disorder that develops in childhood, typically before grade school, and involves repetitive, purposeless movement. Examples of stereotypic movements include ...