The Royal Society of New Zealand produce the Gamma Series - which are resources for teaching and learning.
http://www.royalsociety.org.nz/teaching-learning/resources/gamma/
http://www.bbc.com/news/science-environment-33690713
http://www.royalsociety.org.nz/teaching-learning/resources/gamma/
http://www.bbc.com/news/science-environment-33690713