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New catalyst unlocks low-temperature hydrogen from methane with reduced carbon emissions

Scientists developed a novel catalyst system that can generate hydrogen from methane at lower temperatures while minimizing carbon buildup. The breakthrough achieved high methane conversion rates and demonstrated remarkable stability, pointing to cheaper and greener production methods for clean transportation and industrial processes.

African voices in ink

The book uses a 'history from below' approach to center the voices of petitioners, revealing how they framed their demands using language like justice, rights, and equity. Through over 4,000 petitions, Dr. Bright Alozie shows the significance of this genre in shaping colonial society and influencing decision-making.

Although trust in science remains high, public questions scientists’ adherence to science’s norms

A recent survey found that less than half of the U.S. public trusts scientists to overcome human and political biases. Despite high confidence in science overall, many question whether scientists live up to their values. The study highlights the need for trust to be earned through the scientific enterprise's efforts.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateMar 4, 2024

Forensic bitemark analysis for court trials is not supported by sufficient data and “is leading to wrongful convictions”

Bitemark analysis, commonly used in court trials, lacks scientific backing due to the uniqueness of human teeth on skin. A study of 26 people wrongfully convicted based on this evidence reveals a high rate of distortion, rendering it unreliable for identification purposes.

SourceTaylor & Francis Group·JournalJournal of the California Dental Association·TypeLiterature review·DateJun 23, 2023

Illusions are in the eye, not the mind

A new study suggests that simple limitations in neural responses explain visual illusions, rather than deeper psychological processes. Researchers developed a model that combines information on neural firing speeds, pattern perception, and natural scene assumptions to predict how animals see colour and understand visual illusions.

SourceUniversity of Exeter·JournalPLOS Computational Biology·DateJun 15, 2023

Sharpening Occam’s Razor

Researchers aim to characterize theory structure using symmetry, but find it doesn't capture enough information for a thorough comparison of complexity. They explore alternative approaches to measuring structural complexity, but ultimately conclude that symmetry-based methods may be limited.

Deepfakes: has the camera always lied?

Research highlights centuries-old manipulation of photos and videos, raising questions about the social problems behind deepfakes, including the objectification of women and dehumanization of marginalized groups. Dr. Joshua Habgood-Coote argues for media reform and institutional change to combat these issues.

SourceUniversity of Leeds·JournalSynthese·DateMar 30, 2023

New paper offers best practices for LGBTQ+ field scientists and mentors

A new paper provides evidence-based strategies to create safer experiences for marginalized gender and sexual identities in ecological field research. The authors recommend comprehensive protocols, safety plans, inclusive housing policies, and affirming healthcare to attract and retain a diverse workforce.