Size matters for deadly jellyfish

A toxicologist says jellyfish become more dangerous when they increase in size.

Source: http://rss.skynews.com.au/c/34485/f/628641/s/224ab901/l/0L0Sskynews0N0Bau0Ceco0Carticle0Baspx0Did0F7826730GvId0F/story01.htm

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