About the SA Blog Network

Posts Tagged "signals"

Anthropology in Practice

Talking With Our Hands: The Significance of Gestures

This post originally appeared on Anthropology in Practice on December 6th, 2010. New Yorkers are hand talkers. We often use gestures to add emphasis to our conversations; from pointing to direct tourists, or waving to demonstrate our exasperation with traffic, drivers, or pedestrians, or trying to interject—because New Yorkers don’t interrupt!—we gesticulate. We’re not the [...]

Keep reading »

Signal Failure (Again) Likely Caused Shanghai Train Collision


Two subway trains collided in the city of Shanghai on September 26, injuring hundreds, according to early reports. And, much like the collision of two high-speed trains that killed 40 people near Wenzhou on July 23, the culprit appears to be signal failures. According to Chinese news magazine Caixin, the signals began to malfunction at [...]

Keep reading »

More from Scientific American

Email this Article