From the ArcaMax Publishing, Trivia Newsletter:
http://www.arcamax.com/news/trivia/s-293652-430953

Do sharks lay eggs or give birth to live young?

Many sharks lay soft-shelled eggs but hammerheads give birth to live young that look like miniature versions of their parents. Young hammerheads are often born headfirst, with the tip of their hammerhead folded backward to make them more streamlined for birth.

This news arrived on: 01/26/2008

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