Sonntag, Februar 14, 2010
Jessica Watson - Youngest to sail solo and unassisted around the world - Jessica Watson ist zur Zeit die jüngste Alleinseglerin rund um die Welt
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Dienstag, Februar 09, 2010
Study: Formation of carcinogens indoors by surface-mediated reactions of nicotine with nitrous acid, leading to potential thirdhand smoke hazards - Studie: Nikonablagerungen in Innenräumen erzeugen bei Luftkontakt krebserregende Substanzen.
"Proceedings of the National Academy of Sciences"
This study shows that residual nicotine from tobacco smoke sorbed to indoor surfaces reacts with ambient nitrous acid (HONO) to form carcinogenic tobacco-specific nitrosamines (TSNAs). Substantial levels of TSNAs were measured on surfaces inside a smoker’s vehicle. more...
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