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...researcher visits once or twice a day. Woodland mammals, such as mice, voles, squirrels and stoats, are collected in traps that close upon the animal when they enter it (bedding and food must be available while the mammal remains trapped because recording should never be allowed to affect the size of the population). Numbers of relatively sedentary animals (such as snails...

...research, to much more technical methods. In fact, collecting data on the internet has become big business. And the news is often full of data breaches, getting companies into trouble. If you’re going into business yourself, it could be very useful to understand data so you can research who to sell to and put your understanding of handling data to good use. ...Session...

...Research into the perception of sound indicates that instead of hearing equal increments of amplitude as equal increments of loudness, we hear equal multiples of amplitude as equal increments. For instance, successive doublings of the amplitude of a sound are generally perceived as equal increments of loudness. This is somewhat akin to the way we hear successive doublings...