It's a question scientists have been asking for more than 400 years.

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4. A scene in which Rowan Atkinson's character feigns madness by wearing underpants on his head and sticking pencils up his nose was inspired by Atkinson's penchant for sticking pencils up his nose.
One technological breakthrough left the common pencil in the dust.
While it was author J.K. Rowling who ultimately suggested the alternative title, she still regrets the decision.
Most of us just know to light the fuse and stand back.
Creator Gene Roddenberry reportedly didn't like the idea of “a bald English guy taking over.” And that was just the beginning of the behind-the-scenes drama.
To figure it out, we have to go back and look at how Europeans first encountered the fruit in question.
The young queen was quick to act.
The Queen wants to create a network of protected forests spanning the globe.