Printing technique yields large sheets of light-bending materials.
Using virtual points and badges to shape our behavior may not be as effective as some have hoped.
Dramatic changes can come from emerging technology companies partnered with large industry players.
Sharing information about your health can advance medical science and improve society.
35 Innovators under 35
New wireless devices and smart phones apps let you track every facet of your physical and mental health.
Politicians and policy experts talk as if climate change can be an afterthought in energy policy. They should think again.
The former CTO of Microsoft has created a gigantic guide to kitchen science that could transform the way we eat.
After years of controversy, a therapy based on human embryonic stem cells is finally being tested in humans. The treatment holds out hope to paralyzed people, but at how great a risk?
Warnings about climate change were coming half a century ago.