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.

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.

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

It is time for all civilized nations to stop the horrors that are taking place in Syria and demand a political solution.

Over two billion people in China and India need commodities to grow their economies and improve their living standards.

You have to watch all sides of your advancement, you have to make sure people's bodies and minds are healthy and their morale is cool before you can really go out and play great music.

I have not heard people in the Republican Party yet admit that they have a problem. And when they do say that they have a problem I don't know that I believe 'em.

Humility is a great quality of leadership which derives respect and not just fear or hatred.

I think these ladies, that group of 130 women, are going to make a difference in what goes on down there, because they're going to hold the locals' feet to the fire.

All fiction is about people, unless it's about rabbits pretending to be people. It's all essentially characters in action, which means characters moving through time and changes taking place, and that's what we call 'the plot'.

A piano might fall on your head, he said, but it also might not. And in the meantime you never know. Something nice might happen.

I felt the Lord at a young age. And it was one of those things where that seed was planted, you know, when I was a kid.

That the role of size has been to some degree neglected in biology may lie in its simplicity. Size may be a property that affects all of life, but it seems pallid compared to the matter which makes up life. Yet size is an aspect of the living that plays a remarkable, overreaching role that affects life's matter in all its aspects.

The effort always remains that my new film outdoes my last in terms of performance and gets better box office success. Box office is the sole reason why I do films.

What I have always loved about modelling is the chance to play a part. I am quite shy naturally, but I like getting into somebody else's head space, understanding how people work and the psychology behind their actions.

An evil person is like a dirty window, they never let the light shine through.

Dieting by portion control doesn't work because one is constantly fighting addictive drives.

Hold on to what is good even if its a handful of earth.

Follow your image as far as you can no matter how useless you think it is. Push yourself.

The obsessions of others are opaque to the unobsessed, and thus easy to mock. NASCAR, jazz, baseball, roses, poetry, quilts, fishing. If we're lucky, we all have at least one.

A friend of mine has a big farm in the desert, and she picks up feathers and roadkill for me, then makes it into clothes. I think it's cool to wear roadkill. If I died and somebody wanted to wear my teeth around their neck to VMAs, I'd feel honored.

You have to be willing to accept the idea that people may think you're stupid.

Complexity is your enemy. Any fool can make something complicated. It is hard to keep things simple.

The listener is the midwife in the difficult birth of the word.

A poem begins as a lump in the throat, a sense of wrong, a homesickness, a lovesickness.

If the Iraqis fail to implement the reforms, if they fail to get a handle on the violence, there's nothing the United States can do, militarily or otherwise, that can solve those problems. They have to assume the primary responsibility to govern themselves.

I am a man of many flaws and contradictions.