Season 6, Episode 8
June 18, 2013
Human's relationships with dogs are the focus. Also: Liz compares dogs to wolves to learn the effects of domestication; and Philippa discovers how dogs can be good for a person's health.
Season 6, Episode 7
Travel difficulties are examined, including traffic jams, lane switching and car sickness. Also: Jem builds a homemade airplane.
Season 6, Episode 6
June 11, 2013
Jem attempts to fly a homemade airplane; Liz explores how hormones and blood sugar affect energy and mood; Dallas probes whether drinking eight glasses of water per day is necessary.
Season 6, Episode 5
The health risks of wireless signals are examined. Also: wire-free electricity.
Season 6, Episode 4
The science of managing, predicting and understanding crowds of people is examined.
Season 6, Episode 3
June 4, 2013
A probe into the safety of digital-storage formats; tips on how to properly wipe a computer's memory.
Season 6, Episode 2
A probe into whether modern life is damaging to ears. Also: Safety-conscious scientists put noise back into driving; and Liz learns to like the sound of being sick.
Season 6, Episode 1
An investigation into the high price of gas and whether science can be used to make free fuel. Also: Liz experiences life on an oil rig; and Jem and Dallas compete to create fuel alternatives.
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