Liz uses Dallas and Jem as guinea pigs to investigate whether brain training exercises really can improve a person's spatial awareness and verbal reasoning test scores. Dallas visits the Mojave Desert in the USA to look at development of ...See moreLiz uses Dallas and Jem as guinea pigs to investigate whether brain training exercises really can improve a person's spatial awareness and verbal reasoning test scores. Dallas visits the Mojave Desert in the USA to look at development of rockets which could deliver payloads into space for a fraction of NASA's costs. Dr Yan shows how a microwave oven can be used to melt a glass bottle. Jem looks at how helicopters fly. Written by
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