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Raman scattering occurs because a molecular vibration can change the polarizability. The difference in energy between the incident photon and the Raman scattered photon is equal to the energy of a vibration of the scattering molecule.
http://www.kosi.com/raman/resources/tutorial/

Skin Cancer:

http://www.sunsmart.com.au/article.asp?ContentID=skin_cancer_and_ultraviolet_ra

Color (Eye perception and Computer Color):

http://www.student.kuleuven.ac.be/~m0216922/CG/color.html
http://habitat.igc.org/faces/cyan-1.html

Sunglasses:

http://travel.howstuffworks.com/sunglass6.htm

http://travel.howstuffworks.com/sunglass1.htm

What makes Glass Transparent:

http://science.howstuffworks.com/question404.htm

Other Questions:

You Pick!:
http://science.howstuffworks.com/light14.htm
Transparent and Opaque: http://www.newton.dep.anl.gov/askasci/phy00/phy00856.htm
UV needs from some Animals: Reptiles and Amphibians: http://www.reptilesdownunder.com/reptile/enclosure/uvlighting.php

INVISIBILITY:

http://www.physics.usyd.edu.au/cudos//research/plasmon.html
http://dukenews.duke.edu/2006/10/cloakdemo.html (MOVIE!!!)
http://solomon.as.utexas.edu/magnetar.html

Neg. Index of Refraction:

http://physicsweb.org/articles/world/16/5/3

http://www.ece.duke.edu/~dschurig/papers/thesis.pdf

Blackbody Radiation Answered (Visible vs. Infrared):

http://www.1911encyclopedia.org/Absorption_of_Light

http://www.newton.dep.anl.gov/askasci/phy00/phy00405.htm