CARA: Take it away, Martin! They begin to sing a story-song, incorporating a lot of the different sound effects they have discovered using everyday items. The piece ends and Martin’s phone rings ...

"If you're exposed for several years, your body's reacting like that all the time, it increases your risk of developing ...

You can also enter a duration to set how fast the transition effect goes in the Duration entry box in the Timing group. If you want to use your own sound on your presentation and not the sounds in ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise.