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Cover of Populations issue

Populations

In this issue, we learn more about how populations grow, change and move, and why understanding them is so important.

Pick of the week

Collecting samples from a wire attached to a bear rub tree

The ethics of population studies

All scientific research should be designed and carried out in a way that upholds basic ethical principles. What do you need to keep in mind when you're researching populations?

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Fast Facts

Each issue of Big Picture comes with a sprinkling of ‘Fast Facts, fascinating snippets of information on the topic covered.

Browse through all of our Fast Facts indexed by topic