Roy, Peter, Jacqui and Kevin tell Steve Casner, NASA research psychologist and author of Careful: A Users Guide to Our Injury Prone Minds, stories of times we've made big mistakes to find out why humans do dumb stuff. We also try to make a phone call using an Amazon Echo, and test a commuter bike with a crazy gear shifter.
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How Safe Are You? | Most Useful Podcast Ever - Listen or read transcript on Metacast
