Researchers puzzled over spike in sick sea lions

http://dailynightly.nbcnews.com/_news/2013/03/16/17330052-researchers-puzzled-over-spike-in-sick-sea-lions?lite

1. What are some of the likely causes for the spike in number of sick sea lions?
2. To what extent do you think climate change affects the amount of sick sea lions?

Bigfoot DNA Under The Microscope

http://www.huffingtonpost.com/2013/02/19/bigfoot-dna-controversy-science-journal_n_2711676.html#slide=297140

1.  Do you think that researchers like Ketchum should be listened to?  Why or why not?
2.  Why do you think so many people scoff at the idea of there being Bigfoot creatures in existence?  Do you think this is a valid reason?