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

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.

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.

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

The more you give, the more you get - it's a cliche, but it's really true.

I think what's fun about the Western genre is the character arcs are very strong and, arguably, more interesting and exciting than the action that is metaphorically representational of those arcs.

Kids. They're not easy. But there has to be some penalty for sex.

I'm getting a lot of roles as women who are very powerful. I think that's a reflection of me as a person.

Nothing is as hard as working on a British soap in this industry.

I have so much respect for people in the service. The mental strength it takes to do what they do is unbelievable.

A hardware startup with a lot of funding and a lot of momentum has a lot less risk.

You really have to look inside yourself to find your inner strength.

I never go black tie. I never grew up wearing ties or bow ties or anything.

I've taken pictures in at least 14 countries, and nowhere have people told me 'no' more than New York City.

In Ethiopia, the black people became Christians 1700 years ago, hundreds of years before Northern Europe turned to Christianity... And here, most of the saints are black.

Power is the most persuasive rhetoric.

'Immortals' was very much a martial arts based training program - a lot of body weight stuff, very little in the way of actually lifting heavy weights, and a very, very low calorie diet.

Design is about making things good and then better and right and fantastic for the people who use and encounter them.

Swedes are a really humble and shy people in many ways, but I think it's pretty much the same as in the U.S. Little girls want to take photographs with me at lunch.

We all look for lost time.

An idealist is one who, on noticing that roses smell better than a cabbage, concludes that it will also make better soup.

Whatever your gender, you can be a 'Star Wars' fan.

Britain has enormous amount of talent, as we've seen from the BAFTAs. It's all here, and it has to be allowed to flourish.

For as long as this nation has known war, we have embraced the heroes it has produced.

I guess growing up I realized that there is really this huge epidemic in a city like Los Angeles, and many other cities, where they put down thousands upon thousands of animals every day.

I've had the luxury of owning my own studio, 24 analogue, 48 digital, endless effects, endless hardcore gear, that I don't have to rent, I don't get stuck with the bills, it's all mine.

I definitely have guys that I'm friends with that I have a crush on, and you don't want to ruin the friendship.

I sort of feel like if you're slightly marginalized, you're hungrier, and you can take more risks and be more playful.