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

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

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.

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

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

He who controls the money supply of a nation controls the nation.

A pious man is one who would be an atheist if the king were.

I don't really know what the prerequisites are for Bollywood, but I do believe I can be successful in anything I choose to do.

Letting go doesn't have to mean walking away. It means the things that hurt you don't hurt you anymore.

We should reconsider greater integration of North America to achieve a region that is more competitive and capable of creating more jobs.

Renounce all those material things that you gained by exploiting other human beings.

The happiest moments of my childhood were spent on my grandmother's front porch in Durham, N.C., or at her sister's farmhouse in Orange County, where chickens paraded outside the kitchen's screen door and hams were cured in the smokehouse.

If you look at my life, generally, I've been put in situations which were difficult and which I conquered.

Mum and dad thought I was going to say I was pregnant. I said oh no, no, I've just been nominated for a Golden Globe. They were like, oh that's lovely, love.

No matter how difficult the past, you can always begin again today.

People do not wish to appear foolish; to avoid the appearance of foolishness, they are willing to remain actually fools.

The human condition is not perfect. We are not perfect specimens, any of us. We're not robots.

Love is like an hourglass, with the heart filling up as the brain empties.

I'm there for my friends, and I'd like to think I'm there for my employees.

I definitely regret the surgeries that I have had over the years, I think I was so young and in such an unstable situation in my life with so much going on and so much pressure.

I found music to be the therapy of choice. I guess it is for a lot of people.

I ran away from three different boarding schools before joining a circus school, and eventually I became an actor. The only thing I learned at boarding school was never to send my child to one.

Picasso's always been such a huge influence that I thought when I started the cartoon paintings that I was getting away from Picasso, and even my cartoons of Picasso were done almost to rid myself of his influence.

OK, well maybe I have to get back to Judaism. In the sense that if I look at me and my forebears forever stretching back to I don't know, whenever there's no sense of place and therefore no sense of nationality.

Blues ain't never going anywhere. It can get slow, but it ain't going nowhere.

I'm much too young to feel this damn old.

It angers me when sustainability gets used as a buzz word. For 90 percent of the world, sustainability is a matter of survival.

The two things I've been told most often since my career took off - by taxi drivers, lifelong friends and everyone in between - have been, 'Don't ever change, Margot' and 'You can't do that anymore, Margot.'

Millions of men have lived to fight, build palaces and boundaries, shape destinies and societies; but the compelling force of all times has been the force of originality and creation profoundly affecting the roots of human spirit.