I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

Because we all just function, the rest of us, just go to work and come home; artists make life bearable. They give perspectives on things we never knew you could have. They bring joy. They explore inner human emotion, and at its best, the full dynamic range of that emotion.

In physics, opinions don't matter, only demonstrated experiments. The day the fellow succeeds, if ever, he won't need anybody else's opinion.

Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.

Our history, in the cosmos and on planet Earth, was shaped by countless events, some obviously epic, some seemingly trivial, yet all vital in getting us to this point, here and now, the people we are today.

The problem in society is not kids not knowing science. The problem is adults not knowing science. They outnumber kids 5 to 1, they wield power, they write legislation. When you have scientifically illiterate adults, you have undermined the very fabric of what makes a nation wealthy and strong.

Note, however, that you cannot simply add temperatures the way you can add volumes or weights. Two people in bed, each with body temperatures of 98.6 degrees Fahrenheit, do not normally create a 197.2 degree under-the-cover oven.