Links

The Turin Shroud

www.shroud.com

Dendrochronology                                                                                                            A good site explaining all about dendrochronology and how it is used as a dating tool:  

http://esa.www5.50megs.com/geotime/dendro/dendro.htm

X-Ray Diffraction                                                              

These two sites explain some of the work at Bristol University involving x-ray diffraction.          

http://xray.chm.bris.ac.uk:8000/section/jcj.html                http://xray.chm.bris.ac.uk:8000/research/crystal.html

Thermoluminescence

A more in depth discussion: http://www.dal.ca/~digs/tl1.htm

Chemistry

New Scientist magazine: www.newscientist.com

The Royal Society of Chemistry: www.rsc.org

General website covering many areas of chemistry:                http://chemistry.about.com

Answers to any of your science questions: www.madsci.org