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Prehistoric climate change due to cosmic crash in Canada

A Dartmouth-led team reveals that an asteroid impact in Quebec led to a global climate shift 12,900 years ago, causing the extinction of large mammals and prompting humans to adopt a hunter-gatherer diet. The study provides conclusive evidence linking extraterrestrial activity to environmental transformation.

SourceDartmouth College·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013

Researchers agree that Alzheimer's test results could be released to research participants

A survey of 139 Alzheimer's clinical trial leaders found that a majority supported disclosing test results to study participants, citing the need for guidance and counseling. The study suggests that as biomarkers improve, experts want to share valid results with participants, while also addressing potential harms and benefits.

Bat maps: The conservation crusade

Researchers at the University of Leeds have created the most detailed large-scale habitat suitability maps for bats in the UK, using echolocation calls from over 15,000 bats across 120 walks in the Lake District. The maps reveal subtle changes in bat habitats due to urbanization and provide insights into ecosystem health.

SourceUniversity of Leeds·JournalJournal of Applied Ecology·DateJul 2, 2013

Wayne State researchers seek to determine impacts of differential speed limits on state freeways

Researchers at Wayne State University are conducting a comprehensive study on the impacts of differential speed limits for cars and trucks on Michigan's state freeways. The study aims to determine whether raising truck speed limits would improve safety or have negative effects on air quality, pavement quality, and freight operations.

The Journal of Nursing Research receives impact factor ranking

The Journal of Nursing Research has achieved an initial Impact Factor of 0.688 and a ranking of 73 out of 97 journals in the Nursing Science Category, and 70 out of 95 journals in the Social Science Category. This recognition indicates that the journal produces high-quality research contributing to the science of healthcare and nursing.

SourceWolters Kluwer Health·JournalJournal of Nursing Research·DateNov 27, 2012

Journal of Public Health Management and Practice now available on the iPad

The Journal of Public Health Management and Practice is now available on the iPad, providing convenient access to critical public health information. The journal's November/December special issue focuses on public health services and systems research, exploring its impact on organization, financing, and delivery of public health services.

SourceWolters Kluwer Health·JournalJournal of Public Health Management and Practice·DateOct 25, 2012

Impact of autism may be different in men and women

A new study published in PLOS ONE found that men and women with autism spectrum conditions exhibit different cognitive abilities. Women with autism performed comparably to non-autistic women in tasks involving attention to detail, while men struggled with similar challenges.

SourcePLOS·JournalPLOS ONE·DateOct 17, 2012

Pitcher plant uses power of the rain to trap prey

Researchers discovered a unique trapping mechanism in Nepenthes gracilis pitcher plants, where raindrops dislodge clinging ants, propelling them into the digestive cavity. This behavior allows for efficient capture of prey without manual intervention.

SourcePLOS·JournalPLOS ONE·DateJun 13, 2012