There really is no such thing as race. We all came from Africa. We are all of the same stardust. We are all going to live and die on the same planet, a Pale Blue Dot in the vastness of space. We have to work together.

Climate change is a real deal. So, hey deniers - cut it out, and let's get to work.

A two-and-a-half-year-old is pretty experienced at making a mess, anyway.

Climate change is happening, humans are causing it, and I think this is perhaps the most serious environmental issue facing us.

Apparently there is redundancy in memory: You store the same memory in different parts of your brain for accessing at different speeds. That speed would depend on the frequency of use and the importance of the knowledge.

Humor is everywhere in that there's irony in just about anything a human does.

Everybody remembers numbers and computers remember numbers. People remember procedures and computers certainly remember procedures. But the other thing that's still important is that your perception as a human is affected subtly by all this stuff that you can't quite articulate. You run your life according to all this stuff that's happened to you. All of your memories affect everything you do whereas with a computer, there's adaptive software and things, but it's more literal.