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Mail and packages, use maildrop:
Norman Sperling
2625 Alcatraz Avenue #235
Berkeley, CA 94705-2702

cellphone 650 - 200 - 9211
eMail normsperling [at] gmail.com

Norm Sperling’s Great Science Trek: 2014

San Luis Obispo
Santa Barbara
Palm Springs
Death Valley
Tucson
El Paso
Corpus Christi
Baton Rouge
Tampa
Everglades
Key West
Winter Star Party, Scout Key
Miami

MARCH 2014:
up the Eastern seaboard
mid-South

APRIL 2014:
near I-40, I-30, and I-20 westbound

MAY 2014:
near US-101 northbound
May 17-18: Maker Faire, San Mateo
May 23-26: BayCon, Santa Clara

California till midJune

JUNE 2014:
Pacific Northwest

JULY 2014:
Western Canada, eastbound

AUGUST 2014:
near the US/Can border, westbound
August 22-on: UC Berkeley

Speaking engagements welcome!
2014 and 2015 itineraries will probably cross several times.

With a Pinch of Salt

© Norman Sperling, September 10, 2011

Reuters has a new report on the salt controversy that has been simmering for decades.

The conventional wisdom that people in general should reduce their salt intake looks suspicious. Because everyone in my family loves rather a lot of salt, and none of us has high blood pressure, nor related heart disease, I've kept my antennae up for a large, convincing scientific study that showed that people with normal blood pressure need to reduce salt. I never spotted one, so I haven't urged my family to cut back.

The Reuters report even undercuts the high-blood-pressure link: reducing salt to reduce blood pressure may not lengthen life span anyway.

The sides in the Reuters report are way too polarized. The effect is clearly smaller than claimed. A definitive study should be ethical and affordable for our culture. Take the money presently being spent by reduced-salt advocates, plus contributions from the salt industry. Have 3 highest-reputation organizations run a large, impeccable study, and get a trustworthy recommendation for the safest range of salt intake for conventional humans, and those with assorted risks. The same study might update the optimum dose for iodine. Settle the issue with Science, not shouting.

The Journal of Irreproducible Results
This Book Warps Space and Time
What Your Astronomy Textbook Won't Tell You

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