If you think your teacher is tough, wait till you get a boss.

There are more people dying of malaria than any specific cancer.

Sorghum is kind of unusual. It can go to very high heats, but it's not as productive in most environments as maize is.

Life is a lot more fun if you treat its challenges in creative ways.

As you get to the end of the project you want to run all the tests cases against one version and make sure that you know that that version passed everything. And so as you get late in the project you get a little more conservative about making radical changes to the software.

Hopefully, whether it's energy or child vaccines, the case of the many benefits helping countries so that they are stable, so these refugee problems that have been troubling for Europe - a little less so for the U.S. but, even so, a lot of controversy there - these things are why the future's going to be better than the past. People really do look to the United States, so we'll be there making the case.

Globalization has made copper and other minerals more valuable, and Ghana and Kenya have recently discovered mineral resources.