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Message: 1
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Thu, 31 Jul 2008 11:41:56 -0500 (CDT)
Subject: Dear Colleague Letter - Broader Impacts
Dear Colleague Letter - Broader Impacts
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PDF: http://www.nsf.gov/pubs/2008/nsf08062/nsf08062.pdf?govDel=USNSF_25
Document Number: nsf08062
This is an NSF Program Announcements and Information item.
Message: 2
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Thu, 31 Jul 2008 12:49:09 -0500 (CDT)
Subject: Cold and Ice, Not Heat, Episodically Gripped Tropical Regions 300 Million Years Ago
Cold and Ice, Not Heat, Episodically Gripped Tropical Regions 300 Million Years Ago
Geoscientists have long presumed that, like today, the tropics remained warm throughout Earth's last major glaciation 300 million years ago.
New evidence, however, indicates that cold temperatures in fact episodically gripped these equatorial latitudes at that time.
Geologist Gerilyn Soreghan of Oklahoma University found evidence for this conclusion in the preservation of an ancient glacial landscape in the Rocky Mountains of western Colorado. Three hundred million years ago, ...
This is an NSF News item.
Message: 3
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Thu, 31 Jul 2008 14:29:09 -0500 (CDT)
Subject: Water Refineries?
Using a surprisingly simple, inexpensive technique, chemists have found a way to pull pure oxygen from water using relatively small amounts of electricity, common chemicals and a room-temperature glass of water.
Because oxygen and hydrogen are energy-rich fuels, many researchers have proposed using solar electricity to split water into those elements--a stored energy source for when the sun goes down. One of the chief obstacles to that green-energy scenario has been the difficulty of ...
This is an NSF News item.
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