![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/x.gif)
Discoveries
![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/greenline.jpg)
NSF's public investment in science, engineering, education and technology
helps to create knowledge and sustain prosperity. Read here about the Internet,
microbursts, Web browsers, extrasolar planets, and more... a panoply of discoveries
and innovations that began with NSF support.
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![Photo of insect mine on a 53 million-year-old fossil from Wyoming's Bighorn Basin.](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/news/mmg/media/images/bighorn_basin1_l2.jpg) |
![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/x.gif) |
Hunt for Fossils Finds Warning for Warming Earth Graduate student Ellen Currano provides a glimpse of paleontological fieldwork, describing how she collects fossil leaves for research studying the effects of climate change on plants and insect herbivores Released
May 27, 2008
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![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/x.gif) |
![Illustration shows circular mechanical valve inside heart.](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/news/mmg/media/images/artificial_valve5_l.jpg) |
![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/x.gif) |
Artificial Heart Valves Face the Curdled Milk Test A graduate student and her colleagues have developed what they think is a better way to test artificial heart valves. Using curdled milk as a blood substitute, their approach could improve preclinical testing of new devices, saving money and lives. Released
April 26, 2005
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![](https://webarchive.library.unt.edu/eot2008/20081107192437im_/http://www.nsf.gov/images/x.gif) |
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