Page 4 - Echo System News Today

What is the point of them? why do we need sharks? >> well, its an interesting question and it certainly is not the way a scientist would look at that question. we dont like a point to anything being here. youre here because you made it through the evolutionary pathway. they are the number one dog in the food chain. when they disappear they become the canary in the coal mine that says were not taking care of the ocean correctly. when we go to an echo system that had sharks and they vanished, ther...

free after being accused of throwing fire bombs during recent violent protests in cairo. we are monitoring their moves. also this morning, an american journalist, well get back to our jason carroll there in just a second. the other story i need to tell you about, also in egypt. someone you have seen on our air here at cnn a number of times. an american journalist who has appeared here with us says she was blindfolded, beaten and sexually assaulted by egyptian police. she is now free an...

Cleaned, quote, unquote, but every day something new washes ashore. some new layer. if you just glance at it you might think its pebbles but what it is, all of these, are tar balls. >> here we go. just mushy, gross. >> you can smell it. >> you can smell the hydrocarbons which means theres some toxicity to these. >> potentially, yes. >> these will be present for decades but scientists say they are relatively nontoxic. the greater concern is the unknown. after the introduction to so much oil to th...

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