August 24, 2017 In the Path of Totality Science

In the Path of Totality

I first saw a total eclipse in 1991, in Cabo San Lucas Mexico, and while I remember specific details of the event (more...)...

Posted in Science | 3 Comments
June 5, 2012 Venus Alert Science

Venus Alert

Yes: Venus! A thoughtful neighbor stopped by with black glasses from Griffith Park Observatory and told us that Venus is currently visible crossing the sun. My son and I jumped outside with glasses plus the Nikon and the big lens and every filter in the house. It took us several tries, but here it is, (more...)...

Posted in Science | 0 Comments
May 8, 2008 Female Athletes and ACL Tears Health

Female Athletes and ACL Tears

The New York Times is running an article on the epidemic of ACL tears and other injuries in U.S. female athletes. Female participation in sports in this country is exploding, credited in part to a 1972 law, TITLE X, which mandated equal opportunity in sports to female athletes. As more and more girls and young (more...)...

Posted in Health, Science | 0 Comments
April 21, 2008 Nalgene Phases Out Lexan Gear

Nalgene Phases Out Lexan

Nalgene has just announced the phase-out of BPA-containing bottles from its product lineup, including all polycarbonate (Lexan) water bottles. Any way you put it, this is a stunning reversal from a company that has been an unwaivering advocate for the safety of Lexan/Polycarbonate. (for interesting commentary on the subject, see Z Recommends’ article, Hell Just (more...)...

Posted in Gear, Science | 0 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.

Pray for snow.