Some people might not like his tactics, but Edward Snowden has done great things for privacy rights, says Freedom of the Press Foundation’s Trevor Timm. That’s why it’s time for him to come home.


In this excerpt from her new book, Courtney Martin reflects on the repercussions of a world filled with gizmo-laden gadgets … and shows how a simpler way is both possible and good for the soul.


Robert Fischell invented the rechargeable pacemaker and the implantable insulin pump — not to mention created the precursor to GPS. The 87-year-old shares a peek into his creative process.


When Danish chef Thorsten Schmidt was asked to create a banquet in space, the endless tangle of restrictions helped him understand what really matters when it comes to food.

From left to right: Image of Goya's paining, The Sacrifice to Vesta; the same painting with 50% THz visible; 100% THz view of the painting. mage courtesy Albert Redo-Sanchez/MIT Media Lab

Invisible to the eye and undetectable by most sensors, the small frequency of light called terahertz has eluded scientists for more than a century. That is finally changing — and revealing some amazing visuals in the process.


A new technology that goes by the ungainly name of CRISPR-Cas9 could change the human genome for generations. Here’s why its inventor is trying to press pause.

Jonathan Home quantum computing

Computers have become so powerful that the idea they can’t just do, you know, *everything* is almost unfathomable. Yet many calculations are still too big for even the biggest supercomputer to process. That’s where the promise of quantum computing comes in. Scientist and TED Fellow Jonathan Home explains.