In This Issue: Features
Engineering the Perfect Baby
Scientists are developing ways to edit the DNA of tomorrow’s children. Should they stop before it’s too late?
Lake Kivu’s Great Gas Gamble
In a first-of-its-kind endeavor, electricity-starved Rwanda and the Democratic Republic of Congo are trying to get power from a lake—and avert catastrophe.
We have the technology to dramatically increase the independence of people with spinal-cord injuries. The problem is bringing it to market and keeping it there.
A Swiss Army Knife for Neuroscience
Neural probes that combine optics, electronics, and drugs could help unlock the secrets of the brain.
To rescue its struggling business, Hewlett-Packard is making a long-shot bid to change the fundamentals of how computers work.