![Colchicine, a treatment for gout, was originally derived from the stem and seeds of the meadow saffron (autumn crocus). Illustration: National Agriculture Library, ARS, USDA.](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/resources/0661.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/arro4.gif) |
Science Education includes booklets on cells, genes, health, chemistry, and medicines. The booklets...
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
![DNA consists of two long, twisted chains made up of nucleotides. Each nucleotide contains one base, one phosphate molecule, and the sugar molecule deoxyribose. The bases in DNA nucleotides are adenine](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/resources/0666.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/arro4.gif) |
Genetic Basics looks at how genes work, exceptions to Mendel's rules, how DNA gets replicated, genes and...
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
![Reconstructive work displays what the 2.5 million year old skull of Australopithecus garhi likely have looked like.](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/resources/nsdl.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif)
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
![See caption below](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/resources/clinical.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/arro4.gif) |
ClinicalTrials.gov provides information about the location of clinical trials, their design and purpose...
|
![](https://webarchive.library.unt.edu/eot2008/20090116064353im_/http://www.free.ed.gov/images/transp.gif) |
|