Editor's note

We often overestimate the risk of rare events like shark attacks or terrorism. For example, many Americans avoided flying after September 11, 2001, and chose to drive instead. This resulted in an increase in fatalities on US roads, killing more people than the terrorist attacks themselves.

As part of our series on understanding statistics, probability and risk, cognitive psychologist Ben Newell and his colleagues give us some pointers on assessing the real risk - or otherwise - of rare events.

And as Hazelwood power station prepares to power down, Erik Eklund traces its journey from modernist icon to symbol of greenhouse pollution.

Tim Dean

Editor

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How risky is it to swim? Christine Cabalo/Wikimedia

Worried about shark attacks or terrorism? Here's how to think about the real risk of rare events

Ben Newell, UNSW; Chris Donkin, UNSW; Dan Navarro, UNSW

We naturally overestimate the risk of rare events, like shark attacks or terrorism. But there are things you can do to think more rationally about the real risk.

Environment + Energy

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Health + Medicine

  • Explainer: how do our bones get calcium and why do they need it?

    Emma Duncan, The University of Queensland; Kerrie Sanders, Australian Catholic University; Peter Robert Ebeling, Monash University; Warrick Inder, The University of Queensland

    If dietary calcium is in short supply, calcium is released from bone to maintain the critical level in the bloodstream needed for nerve and muscle function.

  • Four Corners: can the NDIS prevent abuse of people with disability?

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    We know predators will continue to target the vulnerable, including children and people with disability. The NDIS will mitigate some of the issues in this space, but we need a royal commission too.

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