Frontiers | Science news

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Published on 30 Apr 2025

Deepfakes now come with a realistic heartbeat, making them harder to unmask

Current algorithms for the detection of deepfakes increasingly rely on remote pulse reading to distinguish them from genuine videos of people. Here, scientists show for the first time that the most recent deepfakes feature a global pulse rate which appears realistic. This worrying development makes it necessary for deepfake detectors to become more powerful, for example, by focusing on local variations in blood flow within the face.

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Published on 25 Apr 2025

Some shark bites may be ‘survival instinct’ rather than planned attacks, contrary to media portrayal

Researchers examined shark bites in French Polynesia and found, for the first time, that some sharks may bite in self-defense when their survival instinct kicks in

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Published on 24 Apr 2025

‘System rife with blame’ could threaten parents’ mental health when their kids struggle with school attendance

Research showed parents of children who struggle with attending school regularly feel the effects of school distress across all aspects of their lives, rating it as the second most threatening possible life event.

Image: Yellowstone Nation Park on flickr, image in public domain, PDM 1.0

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Published on 16 Apr 2025

The bear in the (court)room: who decides on removing grizzly bears from the endangered species list?

In a new Frontiers in Conservation Science article, Dr Kelly Dunning discusses the politicization of wildlife management. The team analyzed hundreds of documents to track the case of grizzlies being taken off or staying on the list of endangered species. This editorial highlights some of the issues that come with wildlife management becoming ever more political.