Posted by Alison Walsh of National Geographic Channels in Shark Attack Experiment LIVE on November 22, 2011 
(L-R) Shark experts Ryan Johnson, Mark Addison, Dr. Vic Peddemors, and Andy Casagrande are standing by to answer your deepest, darkest shark questions!
So what about sharks are you dying to know?
Post your questions to the comments section of this blog post!
i want to learn about a megaladon shark. How come yall dont mention it?
January 3, 2012, 2:48 pm
I want to learn about the megaladon shark. How come yall dont mention it.
how to survive when your are swimming in the sea and meeting a shark ?
how did you find out about the megaladon? Has any one ever seen a goblin shark?
has anyone ever found a fosil of a megaladon shak and I love to watch your show
