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  • What is the longest lived animal?

    What is the longest lived animal?0

    Four hundred years ago, the world was a very different place. In England, William Shakespeare’s company was performing A Midsummer Night’s Dream for the first time. In Japan, the Edo period began. And in the cold waters off of Iceland, there lived a simple quahog clam. In 2006, that clam was dredged up by Icelandic

  • How much salt is in the oceans?

    How much salt is in the oceans?0

    If you’ve ever taken a mouth full of seawater, you already know that the oceans are very salty. About 70% of our planet is covered by water, and most of that water is contained in the world’s oceans. That’s a lot of salty water! But have you ever wondered how much salt is in the

  • What makes thunder and lightning?

    What makes thunder and lightning?0

    All you have to do is step outside in the middle of a storm and you can see that thunder and lightning put on one of the most incredible light shows in the natural world. But how are thunder and lightning made? Have you ever walked across a carpet and gotten a shock when you


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