continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

Scientific study of the effects of foods on health.

based on or characterized by methods and principles of science.

To try to encourage popularity/sales of a product.

intellectual and practical activity encompassing systematic study of structure and behaviour of physical and natural world.

To make a public statement about a plan, decision.

The act of composing letters on paper. To invent or create a computer program. To create a song or piece of music.

causing surprise. To do something that another person didn't expect.

Ability to make quick and confident choices.

Having the power to cause change; having influence. influential person.

economic activity involving processing of raw materials and manufacture of goods.

either of pair of people engaged together in same activity. People you have personal relationship with. To join with others for work or other activity.

Concerning (usually large) companies. company or group.

Clearly; specifically.

Area from which you board a train at a station.