Nature has evolved incredible mechanisms for sensing the world - we're just starting to decode them.
科学发现的旅程充满了挑战,但也非常值得。
Well may the boldest fear and the wisest tremble when they contemplate the condition of our country.
当他们思考我们国家的状况时,最勇敢的人可能会害怕,最聪明的人可能会颤抖。