Quote of the day by Neil Armstrong: “I think we're going to the moon because it's in the nature of the human being to face challenges. We're required to do these things just as salmon swim upstream.”

<img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/129993864.cms" />

By TOI Science Desk