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...think like a scientist. In this collection we demonstrate a series of hands-on experiments that you can carry out in your own kitchen. We'll explore some key aspects of life on Earth such as why water is so important to all living organisms, how matter behaves at different temperatures and what are the best conditions for life to flourish. The experiments start off...

...system: 2.3 Decompression sickness - If you think back to William Trubridge and his free-diving record in the Introduction, you will recall that he swam up from a depth of 102 metres in just over 2 minutes, a rate of 51 m min−1, without suffering any ill effects on his return to the surface. By contrast, scuba divers are advised not to ascend faster than 9 m min−1 to...

...system form? Are we alone in the Universe? What are alien atmospheres made of? These questions can be answered by studying the solar system's vast family of satellites. This collection of videos looks at five of the most intriguing worlds that we've managed to visit over the last fifty years, including The Moon, Europa, Phobos, Deimos and Titan. From the first human...