Clay Johnson, author of "The Information Diet: A Case for Conscious Consumption", discusses with Hari Sreenivasan how abundant technology affects our health -- producing pulsing side effects such as "email apnea" or "reality dysmorphia."

Founded in 2005, Facebook's social network has changed our relationships with friends, family and co-workers, created a new playground for politics, and altered the rules for media, culture and advertising. This timeline chronicles the evolution of the social media giant.

On Saturday, if all goes as planned, the privately owned spaceflight company SpaceX will launch its Dragon capsule into low-Earth orbit and three days later dock with the International Space Station.

Researchers have shown that patients paralyzed from the neck down can move robotic arms with their minds, according to a new report in the journal Nature that documents two cases involving brain-stem stroke victims. Margaret Warner discusses the hopes for the technology with Dr. Leigh Hochberg of Massachusetts General Hospital.

The late Apple CEO put his name to hundreds of patents — hoping to protect more than his products.

Instead of focusing on malware, they're learning more about the attackers — and going after them.