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Science News for November 29, 2013


Octocopter to monitor crops

The institute will utilize the UAV to monitor thousands of crop plots, enabling detailed evaluations of growth and functionality. The technology will substantially increase throughput and precision in analysis, contributing to various crop improvement projects.

SourceBiotechnology and Biological Sciences Research Council·DateNov 29, 2013

Cyclin D1 governs microRNA processing in breast cancer

Researchers found that cyclin D1 induces the processing of mature microRNA through Dicer, leading to reduced levels of miRNAs in certain cancers. This mechanism may contribute to the initiation and progression of aggressive basal-like breast cancer subtypes.

SourceThomas Jefferson University·JournalNature Communications·DateNov 29, 2013
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

The more the better!

Researchers from Bielefeld University and TU Braunschweig found that female fire salamanders can store sperm from multiple males, leading to increased offspring numbers and fitness. Polyandry appears to be a key mechanism for reproductive success in this species, contradicting the long-held assumption of monogamy.

SourceBielefeld University·JournalMolecular Ecology·DateNov 29, 2013

Valproic acid promotes neuronal regeneration after brachial plexus avulsion

A recent study found that valproic acid significantly increased Bcl-2 and growth associated protein 43 expression, and reduced c-Jun expression after brachial plexus avulsion in Wistar rats. This suggests that valproic acid can protect neurons and enhance neuronal regeneration following the injury.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateNov 29, 2013

Strong dollar means cross-border shopping heavily influenced by exchange rate

A new study from University of Toronto researchers found that a strong dollar significantly influences Canadian cross-border shopping habits, with distance to the border also playing a crucial role. The research suggests that Canadians are more likely to shop in the US due to the favorable exchange rate and proximity to the border.

SourceUniversity of Toronto·JournalThe Review of Economics and Statistics·DateNov 29, 2013
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Treatment of malignant glioma using hyperthermia

Researchers found that hyperthermia treatment completely destroyed the blood-brain barrier surrounding tumors, allowing chemotherapy drugs to target and kill cancer cells. Additionally, hyperthermia combined with radiotherapy showed synergistic benefits in treating brain gliomas.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateNov 29, 2013

Maternal mortality: A reduction in deaths from haemorrhage

Maternal deaths from haemorrhage have decreased, but still account for the majority of maternal mortality in France. The French National Expert Committee on Maternal Mortality has made recommendations to improve care and reduce avoidable deaths.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalJournal de Gynécologie Obstétrique et Biologie de la Reproduction·DateNov 29, 2013