Noise in chemical communication

June 11, 2014

Communication is always constrained by noise. Imagine a finch calling for mates along a busy road during rush hour. Car noise will make it quite difficult for his fellow urban birds to hear him at all. It must be all easier in a peaceful forest, don’t you think? Perhaps not. Forests are full of birds,

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Confirmation bias in behavioural experiments

June 4, 2013

The data confirmed your expectations? That’s great, you were right from the beginning – or where you tricked by what is called confirmation bias – you only saw what you wanted to see? Although the effect is typically strongest with emotionally charged subjects (think gun control), it can be a serious problem in scientific experiments

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