May 2006


News Notes
NASA scientists free to talk; Graduate enrollments up;

News: Ozone and Cholesterol Combine to Cause Heart Disease

David Biello

Profile: Brothers Chudnovsky
The story of two brilliant mathematicians, a unicorn, and a homemade supercomputer
NOVA scienceNOW

Dispatch: What We’re Thinking About: Who is The Cop?
This week Jonah Lehrer and Robert Krulwich have taken up a question many viewers e-mailed in about after watching last week’s NOVA scienceNOW broadcast segment on RNAi, namely, “If I’ve got RNAi ‘cops’ in my cells, why do I get sick?”
Robert Krulwich, Jonah Lehrer

Small, Cheaper Flash Memory
Freescale Semiconductor is using nanoscale materials to halve the size of flash memory and make it much less expensive.

Sustainable Developments: The New Geopolitics
A new column on the science driving geopolitics
Jeffrey Sachs

News: Large Study Finds No Link between Marijuana and Lung Cancer

David Biello

Earth Viz | Global Ozone 2002-2005

Ozone gas (O3) in the upper atmosphere shields Earth from the Sun’s dangerous ultraviolet radiation. Since the early 1980s, scientists have been aware that manmade chlorofluorocarbons (CFCs) destroy atmospheric ozone worldwide. The greatest losses have occurred at the poles; the Antarctic ozone "hole" is most extreme in October.

Insights: The Implicit Prejudice
Are you an unconscious racist? Social psychologist Mahzarin Banaji can measure the unsettling truth
Sally Lehrman

Lab Meat?
Scientists can grow edible meat in culture from a few animal cells. Bon appetit?
NOVA scienceNOW

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