40.And this is the last picture ever taken of President Ulysses S. Grant, snapped days before his death at his home: Shoutout Ulysses. 42.And this is one of the only pictures of President Andrew ...

The blackboard stands as the only one of its kind to be known in the world which has both Albert ... for younger scientists, Padilla said. An object like the blackboard can serve as a reminder of ...

As one of the most famous scientists of the 20th century, Albert Einstein has become synonymous with genius. He taught himself geometry and calculus while living in Germany in his teens before ...