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Hammerhead shark mystery solved | 27/11/2009 16:39:34 | Why do hammerhead sharks have such a famously strange-shaped head?
One hypothesis is that having eyes on either side of such a wide 'hammer' allows the sharks to see better.
But even this idea divides scientific opinion, as researchers argue over whether the hammerhead design makes it more or less difficult to see.
http://news.bbc.co.uk/earth/hi/earth_news/newsid_8376000/8376740.stm | Flere nyheder |
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