November 21, 2009 Pieps Freeride Beacon Gear

Pieps Freeride Beacon

Do you check to see what kind of avalanche beacon your partner is carrying? I ask because there are a wide range of beacons on the market, and some of them are a lot easier to use than others. Case in point: the new Pieps Freeride. The Freeride is a tiny-tiny device about the size (more...)...

Posted in Gear | 8 Comments
November 13, 2009 News

Execution by Mathmatics

I enjoyed the original Freakonomics when it first came out. Written by University of Chicago economist Steven Levitt and New York Times journalist Stephen J. Dubner, the book used economic analysis in clever and unexpected ways to expose “the hidden side of everything.” Freakonomics made its share of enemies, thanks to its occasionally radical theories, (more...)...

Posted in News | 0 Comments
November 9, 2009 Health

BPA in the NY Times

NY Times columnist Nicholas Kristoff writes about the ubiquity of BPA in our bodies, plus a gaggle of new studies linking BPA exposure to a variety of abnormalities in test animals. If you’ve been following the BPA Saga (including this impressive bit of corporate nastiness by Sigg), you’ll see that the latest research keeps upping (more...)...

Posted in Health, Science | 6 Comments
November 6, 2009 Climbing

This is Your Brain on Altitude

The New Yorker recently ran a disturbing article on brain injuries in football. Just about the same time, Outside magazine wrote about an alarming study of the effects of moderately-high altitude on climbers’ brains. It has been known for some time that Everest climbers often show symptoms such as memory loss and poor coordination when (more...)...

Posted in Climbing | 10 Comments

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When there is snow, SierraDescents is Andy Lewicky's California backcountry skiing and mountaineering website. Without snow, sierradescents becomes an ill-tempered hiking and climbing blog.

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