Every smell we perceive is a complex interaction between molecules and receptors, and understanding this interaction is key to understanding our sensory experiences.

Coal miners are the unsung heroes of America's industrial strength.

对于好的建议，唯一能做的就是传递它。它对自己从来没有任何用处。

成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情，你就会成功。

I've learned that failure is just part of the process, and you can't let it define you.