Southern Cal fires Oct 29, 2007 Burned areas are red
(testimony redacted by the White House) October 23, 2007 (Air Pollution Health Effects) … Of particular concern is the impact of increased temperature and UV radiation on ozone formation… Julie Gerberding, Director, Center for Disease Control And Prevention
Lorenzo Romano Amedeo Carlo Avogadro Na = 6.02 x10 23
How many stars in the observable universe? How many water molecules In one small sip (2ml)?
Banded iron formation BIF (only found in rocks before global atmosphere became O 2 -rich (about 2.2 Byr ago)
The great redox event: red beds (hematite) in Utah.
Hematite blueberries on Mars (water?)