实时观察和控制电子运动的能力为理解自然界的基本过程开辟了新领域。

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

The evidence for evolution is overwhelming.

The more you know about life, the more you can bring to your work.