Variable A quantity that has the potential to change, e.g. weight, temperature, concentration.

Model A simplified picture of what's physically going on.

Prediction/Hypothesis A specific testable statement, based on a theory, about what will happen in a test situation.

Peer Review Where a scientific report is sent out to peers (other scientists) who examine the data and results, and if they think that the conclusion is reasonable it's published.

Prediction/Hypothesis A specific testable statement, based on a theory, about what will happen in a test situation

Precise Result A result that is really close to the mean.

Random Error A difference in measurement caused by an unpredictable factor, e.g. human error.

Repeatable Result A Result that can be repeated by the same person using the same method and equipment.

Reproducible Result A result that can be consistently reproduced in an independent experiment.

Valid Conclusion A conclusion that answers the original question.

Accurate Result A result that is really close to the true answer.

Variable A quantity that has the potential to change, e.g. weight, temperature, concentration.

Independent Variable The variable you change in an experiment.

Dependent Variable The variable you measure in an experiment.

Control Group A group in a study that is treated in exactly the same way as the experimental group, apart from the factor you're investigating.

Placebo A dummy pill or injection that looks exactly like the real drug, but doesn't contain the drug.

Sample size The number of samples in the investigation, e.g. the number of people in a drug trial

Bolivia's majority Indian population was always excluded, politically oppressed and culturally alienated. Our national wealth, our raw materials, was plundered. Indios were once treated like animals here. In the 1930s and 40s, they were sprayed with DDT to kill the vermin on their skin and in their hair whenever they came into the city.

Brains are tricky and adaptable organs. For all the 'neuroplasticity' allowing our brains to reconfigure themselves to the biases of our computers, we are just as neuroplastic in our ability to eventually recover and adapt.

As long as I'm alive, I don't think Next Media will change.

If you cant celebrate your success appreciate your failure. Since life is all about celebration and appreciation.

The method of the enterprising is to plan with audacity and execute with vigor.

I was a good student with mathematical ability and interests. As such, I took the usual college preparatory program in high school for one looking to become an engineer: all the available courses in mathematics and science.

Yes, in fact, it's hard to believe this, but it was almost 18 years ago when I first got the idea.

There is often, in the affairs of government, more efficiency and wisdom in non-action than in action.

Some people think they are in community but they are only in proximity. True community requires commitment and openness. It is a willingness to extend yourself to encounter and know the other.

I think we make the movies, initially, with the one movie in mind. But we do love the characters, and so we kind of miss the characters when the movie is over. But I think what happens is, every now and then you realize there's more to tell, or an idea comes up.

If someone were to ask me before I made the NBA, you going to have to go through all this, you're going to have to sign your soul away to play in the league, I still would have done it.

It is characteristic of the epistemological tradition to present us with partial scenarios and then to demand whole or categorical answers as it were.

In matters of the heart, nothing is true except the improbable.

I did three of the original 'Twilight Zone' episodes, yes. Also, I did a little thing in the feature film, and then I wrote one of the episodes in 'The Twilight Zone's last round where I starred with Cloris Leachman and my daughter Liliana in a true sequel to 'It's a Good Life.' So, yes, I have a good 'Twilight Zone' alumni jacket.

We have years to converse with someone, to blurt and rant, to explain our desires and anger and regrets - and oh how we squander those moments.

You are amazing. Remember that.

I've also directed, shot, and edited several music videos.

We've begun to get justice.

Directing is much more satisfying to me than acting.

Extra work sucks. Get out quick.

I got a cable from New York saying that what I'd written about the growth of Soviet agricultural production didn't make sense because the same levels were reached under the czars. I wanted to confirm it, but by then the censors were on to me.

I feel like jeans and a T-shirt have become Establishment. Everyone's dressed down. So actually, putting on a jacket is the anti-Establishment stance.

The number one problem with Dodd-Frank is it's way too complicated, and it cuts back lending, so we want to strip back parts of Dodd-Frank that prevent banks from lending, and that will be the number one priority on the regulatory side.

Part of my head will always be in the years after World War II - the five years before Korea started.