Brightsurf Science News & Current Events

February 19, 2011
Large study of arthroscopic rotator cuff repair reveals some surprises
Arthroscopic rotator cuff repair is highly effective and provides durable results five years after surgery, according to a large, prospective study by Hospital for Special Surgery investigators.

Plant breeding is being transformed by advances in genomics and computing
Improved DNA sequencing and computing technologies allow us to track plant genetic variation at a level unimaginable five years ago.

Hamstring grafts prove more effective in ACL knee reconstruction, study says
Patients receiving anterior cruciate ligament knee reconstruction with a hamstring tendon graft rather than a knee tendon graft were less likely to suffer from pain and mobility issues15 years after surgery, say researchers presenting a study today at the American Orthopaedic Society for Sports Medicine's Specialty Day in San Diego, Calif.

The world's oldest water?
New evidence bolsters the notion that deep saline groundwaters in South Africa's Witwatersrand Basin may have remained isolated for many thousands, perhaps even millions, of years.

Mimicking photosynthesis path to solar-derived hydrogen fuel
Inexpensive hydrogen for automotive or jet fuel may be possible by mimicking photosynthesis, according to a Penn State materials chemist, but a number of problems need to be solved first.

A new high-resolution method for imaging below the skin using a liquid lens
University of Rochester optics professor Jannick Rolland has developed an optical technology that provides unprecedented images under the skin's surface.

Turning to nature for inspiration
Northwestern University's Chang Liu is using insights from nature as inspiration for both touch and flow sensors -- areas that currently lack good sensors for recording and communicating the senses.

Plants that can move inspire new adaptive structures
The Mimosa plant, which folds its leaves when they're touched, is inspiring a new class of adaptive structures designed to twist, bend, stiffen and even heal themselves.

Weight loss improves knee pain from common arthritic condition, study says
Knee pain related to osteoarthritis is a common complaint among obese individuals and retired professional athletes, especially former NFL players, but researchers presenting their work at the American Orthopaedic Society for Sports Medicine's Specialty Day program (Feb.

Common hip disorder can cause sports hernia
Sports hernias are commonly found in individuals with a mechanical disorder of the hip and can be resolved with surgery to fix the hip disorder alone in some cases, according to a recent Hospital for Special Surgery study.

Climate projections show human health impacts possible within 30 years
A panel of scientists speaking today at the Annual Meeting of the American Association for the Advancement of Science (AAAS) unveiled new research and models demonstrating how climate change could increase exposure and risk of human illness originating from ocean, coastal and Great Lakes ecosystems, with some studies projecting impacts to be felt within 30 years.

'Universal standards' for research integrity may have unintended consequences
The global scientific community is capable of policing its own behavior and should resist creation of a central oversight body to enforce

Specialized blood plasma treatment does not improve rotator cuff healing, study finds
Improving healing after a rotator cuff tendon repair is an ongoing problem for orthopaedic surgeons world-wide.

Federal Natural Resource Trustees announce next step in BP Deepwater Horizon spill Gulf restoration
To advance the ongoing natural resource restoration planning process following the BP Deepwater Horizon spill in the Gulf of Mexico, NOAA and the Department of the Interior (DOI) today announced plans to develop a Programmatic Environmental Impact Statement (PEIS) in cooperation with state co-trustees as part of the ongoing Natural Resource Damage Assessment (NRDA).

AAAS Symposium: New research facilitates scientific knowledge transfer
A defining feature of a scientific discovery is replication by others.

Study shows young patients may benefit from microfracture knee procedures
Surgical treatment using microfracture for pediatric knee injury repair may improve activity outcomes, according to research presented at the American Orthopaedic Society for Sports Medicine's Specialty Day in San Diego (Feb.

Misguided public perception on what Tommy John surgery can do apparent in new study
Despite known risks and outcomes of the common elbow procedure known as Tommy John surgery, parents, coaches and players still have incorrect assumptions regarding player performance, say researchers presenting their study at the American Orthopaedic Society for Sports Medicine's Specialty Day in San Diego, Calif..

When fingers start tapping, the music must be striking a chord
According to University of Toronto psychologist Luc De Nil the beat could be revealing much more, for example how children master one of the most complex tasks of all -- speech.

American Cancer Society honored for work in palliative care
The American Cancer Society has been selected to receive a Presidential Citation Award from American Academy of Hospice and Palliative Medicine recognizing the Society's commitment to support research to address quality of life issues and to promote patient-centered care.

Enhancing nuclear security: Training and international collaboration
While a world free of nuclear weapons remains a goal for governments around the world, nuclear security constitutes a major challenge for the 21st century, as recognized at the 2010 nuclear security summit in Washington.

Super-sharp radio 'eye' remeasuring the universe
New observations with the Very Long Baseline Array have made the farthest direct distance measurement ever, a key step toward understanding the mysterious Dark Energy that constitutes some 70 percent of the Universe.

Tip sheet: Caltech researchers presenting at AAAS
At this year's American Association for the Advancement of Science meeting in Washington, D.C., Feb. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to