Presentation slides are optional ... On each slide, state your message as a short sentence (on a maximum of two lines, corresponding to about 10–15 words), normally in the title area.

These three differences affect the selection of a presentation's content ... An effective attention getter is short. It is not a goal in itself, but rather a means to focus the audience's ...

A series of short films for primary schools ... Suitable for teaching science (the topics of forces and electricity) at KS2 in England, Wales and Northern Ireland and 2nd Level in Scotland.

Plus, rich people used to keep squirrels as pets and a flooded Colosseum. At Popular Science, we report and write dozens of stories every week. And while a lot of the fun facts we stumble across ...