An alarming message about deodorant use and breast cancer began circulating on the Internet in the 1990s, spread via e-mail and message-board postings. It continues to resurface now and again and causes a great deal of concern about the safety of items many of us use every day. So let's take a look at the evidence.
How long have sharks been in existence? A: Geological records show that modern shark species have existed for between 201 million and 174 million years. Earlier fish species similar to sharks existed as early as between 419 million and 359 million years ago.
Great white sharks 'live for 70 years'. Read more about sharing. Great white sharks live far longer than was previously thought. Using a new technique to age the tissues of these impressive creatures, scientists have identified a male great white that lived into its 70s.