Researchers are increasingly uncovering how severe the impacts of bullying can be. For young victims, the negative effects on mental and physical health can last decades. Despite this, it keeps happening in schools and workplaces, partly because people rarely interfere to stop it.

In some workplaces, up to 60% of employees report doing nothing when witnessing bullying. Psychological research has tried to crack the psychology of these “bystanders”. One factor seems to be that people simply feel less personally responsible to act when there are other people around. Another culprit is failing to see the situation from the victim’s perspective.

But new research has discovered that bystanders actually have a lot of power, and there are effective actions both individuals and organisations can take to stop bullying.

Meanwhile, according to a new assessment, one in five reptile species face extinction. But with more than half of all crocodile species being a high priority for conservation, we may be able to prevent some of this damage over time. This wasn’t an option for the dinosaurs, however, who famously went extinct when an asteroid hit Earth. As a new documentary about a ‘dinosaur graveyard’ explores what may have been their final day on Earth, an expert scrutinises the evidence.

Miriam Frankel

Science Editor

Are you a bystander? Andrey_Popov/Shutterstock

Bullying: why most people do nothing when they witness it – and how to take action

Kara Ng, University of Manchester; Karen Niven, University of Sheffield

The majority of people who witness workplace bullying do nothing about it.

A yacare caiman (Caiman yacare) in the Pantanal wetlands of Bolivia. Ondrej Prosicky/Shutterstock

Reptiles: why one in five species face extinction

Louise Gentle, Nottingham Trent University

More than half of all crocodile species are a high priority for conservation according to the assessment.

David Attenborough presents the BBC’s groundbreaking documentary, Dinosaurs: The Final Day. BBC Studios / Ali Pares / Sam Barker / Chris Lavington-Woods / Lola Post Production

Does this dinosaur ‘graveyard’ reveal their final day on Earth? An expert explores the evidence

Michael J. Benton, University of Bristol

A recent BBC documentary examined fossils thought to have been made when an asteroid wiped out the dinosaurs.

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