NPR News

If you've had wrist and shoulder pain from clicking a mouse, relief may be in sight. This spring, a new motion sensing device will go on sale that will make it possible for the average computer user to browse the Web and open documents with a wave of a finger.

The Leap Motion Controller is on display at the South by Southwest Interactive conference in Austin, Texas, for the first time. It's one of the most talked about startups at the conference, where some 26,000 people have gathered to see emerging tech companies.

"There are some who can live without wild things, and some who cannot. These essays are the delights and dilemmas of one who cannot. Like winds and sunsets, wild things were taken for granted until progress began to do away with them. Now, we face the question whether a still higher 'standard of living' is worth its cost in things natural, wild and free." — A Sand County Almanac

A Sand County Almanac, a collection of essays and observations, was written decades ago by Aldo Leopold, the father of the American conservation movement.

The American conservative movement has its homecoming this week: the Conservative Political Action Conference, where everyone from politicians to peddlers is out to inspire the faithful.

Last year, one of the headline speakers was former vice presidential candidate Sarah Palin, who harked back to the second-ever CPAC in 1975, when Ronald Reagan laid out a vision for a conservative Republican Party.

She invoked his image of a banner of bold colors, not pale pastels.