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Science News Archive January 2012 - Page 23


Page 23 of 24

Early land plants: Early adopters!

A new species of liverwort, Frullania knightbridgei, is discovered in New Zealand and described using revolutionary electronic publishing rules. The publication accelerates scientific discovery and description of new plant species, crucial for understanding early land plant evolution and conserving biodiversity.

SourcePensoft Publishers·JournalPhytoKeys·DateJan 4, 2012

Through hardship to the stars

Delegates explored ways to overcome propulsion limitations, including suspended animation and negative mass concepts. Theoretical models offer tantalizing options, but significant hurdles remain before interstellar travel becomes a reality.

SourceIOP Publishing·JournalPhysics World·DateJan 4, 2012

Harp seals on thin ice after 32 years of warming

A new study reveals that harp seal populations are experiencing sharply higher death rates among pup mortality, with entire year-classes disappearing from the population in low ice years. The study suggests that seasonal sea ice cover has declined by as much as 6% per decade since 1979, leaving the population on thin ice.

SourceDuke University·JournalPLOS ONE·DateJan 4, 2012

Men and women have major personality differences

A new study published in PLoS ONE found significant personality differences between men and women, contrary to previous underestimation. The researchers analyzed data from over 10,000 participants using a comprehensive personality test, revealing large discrepancies in traits such as warmth, sensitivity, and perfectionism.

SourcePLOS·JournalPLOS ONE·DateJan 4, 2012

Salt water alone unlikely to halt Burmese python invasion

Research suggests that Burmese pythons from the Florida Everglades can survive in marine and estuarine environments for several months, raising concerns about their potential spread to nearby islands. The study found that hatchling pythons could live up to five months with only salt water to drink.

SourceU.S. Geological Survey·JournalJournal of Experimental Marine Biology and Ecology·DateJan 4, 2012

How can Lyme disease be prevented and controlled?

A new study assesses the potential reasons for the continued lack of success in preventing and controlling Lyme disease in the US Northeast. The study identifies critical areas where additional knowledge is needed to improve prevention and control strategies, including host infestation rates, habitat diversity, and human behavior.

SourceEntomological Society of America·JournalJournal of Medical Entomology·DateJan 4, 2012

Fish mimics octopus that mimics fish

Scientists have recorded the first association between a black-marble jawfish and a mimic octopus. The jawfish sticks close to the octopus for protection, allowing it to venture away from its burrow to look for food. This unique case highlights the complex interactions within coral reef ecosystems.

SourceCalifornia Academy of Sciences·JournalCoral Reefs·DateJan 4, 2012

Not equal: Quality of care, cost for PAD sufferers

A study of over 14,000 Medicare patients with peripheral arterial disease found that treatment by interventional radiologists results in better patient outcomes and lower costs. The study suggests that consumers have a choice in selecting healthcare providers and can expect varying levels of quality and cost depending on the specialist

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateJan 3, 2012

Alzheimer's damage occurs early

Researchers have identified a 90% accuracy biomarker that increases the risk of developing Alzheimer's by 10 years. Patients with low levels of beta-amyloid and high tau protein levels are at highest risk, indicating potential therapeutic targets for early intervention.

SourceLund University·JournalArchives of General Psychiatry·DateJan 3, 2012

Scientists crack medieval bone code

Researchers at Michigan State University used advanced DNA testing to confirm the presence of brucellosis in skeletal remains from medieval Albania, suggesting the disease was endemic in the region since the Middle Ages. The findings provide valuable insights into the history of infectious diseases and their impact on human health.

SourceMichigan State University·JournalAmerican Journal of Physical Anthropology·DateJan 3, 2012

Home monitoring may help manage and reduce costs for heart failure

A new study suggests that home monitoring strategies, including self-care, phone calls from nurses, and telemedicine, can effectively track heart failure disease-management and early identification. The authors recommend a multi-pronged approach, combining monitoring with patient follow-up and feedback to improve outcomes.

SourceUniversity of California - Los Angeles Health Sciences·JournalJournal of the American College of Cardiology·DateJan 3, 2012

New clues to human deafness found in mice

The FGF20 gene is required for proper development of the mouse inner ear, and its inactivation leads to a loss of outer hair cells. Researchers found that FGF20 signaling must occur on or before day 14 of embryonic development to produce a normal inner ear.

SourcePLOS·JournalPLOS Biology·DateJan 3, 2012