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Science News Archive November 2012 - Page 10


Page 10 of 23

'Trust' provides answer to handaxe enigma

Research suggests that the fine crafting of handaxes by Homo erectus/ergaster in the Lower Palaeolithic period was driven by a desire to prove trustworthiness rather than physical fitness. The 'trustworthy handaxe theory' proposes that attention to detail is about demonstrating emotional reliability and capacity for strong relationships.

SourceUniversity of York·JournalWorld Archaeology·DateNov 21, 2012

More than a machine

Researchers discovered a ribosomal protein, rpL40, that regulates viral protein synthesis and could represent a target for antiviral treatments. This finding reveals the ribosome's active role in regulating protein translation and offers new insights into combating fatal viral infections such as rabies.

SourceHarvard Medical School·JournalProceedings of the National Academy of Sciences·DateNov 20, 2012

New guidance for cluster randomized trials

The Ottawa Statement on the Ethical Design and Conduct of Cluster Randomized Trials provides detailed guidance on CRTs, addressing issues such as informed consent, risk-benefit assessments, and data management. Researchers can benefit from this new framework to improve the ethical quality of their cluster randomized trials.

SourcePLOS·JournalPLOS Medicine·DateNov 20, 2012

Algae can draw energy from other plants

Biologists at Bielefeld University have confirmed that certain algae species can draw energy from other plants by digesting cellulose, a previously thought exclusive trait of fungi and bacteria. This groundbreaking discovery has significant implications for bioenergy production.

SourceBielefeld University·JournalNature Communications·DateNov 20, 2012

Music to the ears for a good night's sleep?

Researchers at Wake Forest Baptist Medical Center conducted a pilot study on a non-invasive approach using musical tones to balance brain activity and reduce insomnia. The study found that participants who received HIRREM therapy experienced a 10.3 point drop in Insomnia Severity Index scores, indicating improved insomnia symptoms.

SourceAtrium Health Wake Forest Baptist·JournalBrain and Behavior·DateNov 20, 2012

UAlberta prostate cancer researcher and team developing 'homing beacon drugs' to target cancer cells

A UAlberta researcher has developed 'homing beacon drugs' that selectively kill cancer cells while sparing healthy ones. These smart drugs use nano-technology to identify cancer cells based on a unique protein found only in them, allowing for targeted treatment and potential reduction in side effects.

Timely change for tweeters' tune

Vermilion flycatchers change song lengths in response to urban noise, unlike some other bird species that alter their songs by frequency. This adaptation helps them cope with noisy conditions and improve acoustic communication during breeding season.

SourceSpringer Science+Business Media·JournalBehavioral Ecology and Sociobiology·DateNov 20, 2012

Researchers implicate well-known protein in fibrosis

Researchers at Northwestern University have implicated toll-like receptor 4 (TLR4) in the development of tissue fibrosis, a hallmark of scleroderma. The study found that mutations in the TLR4 gene made mice resistant to experimental scleroderma and that patients with scleroderma had abnormal TLR4 levels in affected tissues.

SourceNorthwestern University·JournalAmerican Journal Of Pathology·DateNov 20, 2012

Warming to shift heavy rainfall patterns in the UK

A study found that extreme rainfall in the UK is expected to shift later in the year, especially in the south-east, where it will peak in autumn. This could lead to an increased risk of flooding, particularly when river catchments are at their maximum water capacity.

SourceIOP Publishing·JournalEnvironmental Research Letters·DateNov 20, 2012

Human obedience: The myth of blind conformity

Classic studies on obedience and conformity have been revisited to show that people do not blindly conform but actively identify with and believe in the authority's actions. The authors' own prison experiment found that participants only acted in terms of group membership and empowered themselves to resist their assigned position.

SourcePLOS·JournalPLOS Biology·DateNov 20, 2012

Natural fungus may provide effective bed bug control

Researchers at Penn State have discovered a natural fungus, Beauveria bassiana, that can effectively control bed bugs. The study found that the fungus infects and kills bed bugs within five days, even when they are in close proximity to uninfected individuals.

SourcePenn State·JournalJournal of Invertebrate Pathology·DateNov 20, 2012

Robotic fish research swims into new ethorobotics waters

Researchers at NYU Tandon School of Engineering have developed a robotic fish that can attract live zebrafish using real-time visual feedback. The study found that zebrafish are more attracted to robots that replicate the behavior of informed fish, demonstrating the effectiveness of real-time visual feedback in influencing live animal ...

SourceNYU Tandon School of Engineering·JournalJournal of The Royal Society Interface·DateNov 20, 2012

Seals gamble with their pups' futures

Researchers at Durham University found that some grey seal mothers adopt a flexible parenting style, adjusting their behavior to local conditions. This approach allows them to give their pups a better chance of survival, but also carries risks if they misjudge the environment.

SourceDurham University·JournalPLOS ONE·DateNov 20, 2012

Reasons for severe bleeding in hemophilia revealed

Researchers discovered that thrombin activity propagates through blood in steady waves, crucial for sealing large wounds but potentially leading to complications. This finding sheds light on the mechanisms behind severe bleeding in hemophilia patients and has implications for other cardiovascular disorders.

SourceCell Press·JournalBiophysical Journal·DateNov 20, 2012