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Science News Archive April 2013 - Page 23


Page 23 of 32

New technology spots drugs' early impact on cancer

Researchers have developed a new preclinical technology that enables quick determination of a treatment's effectiveness against gastrointestinal stromal tumors (GISTs) as early as 24 hours after administering the compound. This tool can help identify new drugs or drug combinations and quickly identify the most effective treatments for ...

Dedicated cleaning staff shown to reduce C. difficile contamination in hospital rooms

A study published in Infection Control and Hospital Epidemiology found that a dedicated daily cleaning crew can effectively reduce C. difficile contamination in hospital rooms. The intervention included a standardized disinfection process, which significantly improved disinfection rates compared to traditional cleaning practices.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateApr 9, 2013

High pressure gold nanocrystal structure revealed

Researchers have successfully imaged the changes in morphology of gold nanocrystals under pressures of up to 6.5 gigapascals, solving a long-standing problem in measuring nanomaterial structures. The study shows that the nanocrystals undergo plastic flow, becoming more fluid-like at high pressure, and reveals new insights into the beha...

SourceUniversity College London·JournalNature Communications·DateApr 9, 2013

Iceman Ötzi had bad teeth

Researchers studied the teeth of the Neolithic mummy Ötzi, finding severe oral diseases such as advanced periodontitis and tooth decay. The Iceman's diet, which included starchy foods like bread and cereal porridge, contributed to his dental problems.

SourceUniversity of Zurich·JournalEuropean Journal Of Oral Sciences·DateApr 9, 2013

1 factor that can help determine black men's college success

A study at Ohio State University found that 'grit' is a key factor in predicting college success for black men. Grit refers to the dedication to pursuing and achieving a goal despite obstacles and failures. This factor affects college grades almost as much as high school GPA and ACT scores, highlighting its importance.

SourceOhio State University·JournalJournal of African American Studies·DateApr 9, 2013

Adding cetuximab to chemotherapy enables select patients with advanced colorectal cancer and liver metastasis to undergo surgery, extending survival by several months

A Phase III clinical trial found that adding cetuximab to chemotherapy enables previously inoperable patients to undergo surgery, tripling the rates of successful surgery for liver metastasis. The combination also extends median overall survival by 10 months compared to chemotherapy alone.

SourceAmerican Society of Clinical Oncology·JournalJournal of Clinical Oncology·DateApr 8, 2013

Embargoed news from Annals of Internal Medicine

The American College of Physicians (ACP) releases new recommendations for prostate cancer screening, focusing on shared decision-making and clear patient preference. Men between 50-69 years old should discuss the benefits and harms of PSA testing with their doctor before undergoing screening. The ACP also recommends against screening f...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 8, 2013

New evidence dinosaurs were strong swimmers

Researchers have identified evidence of a dinosaur's ability to swim with coordinated leg movements, as indicated by 15-meter claw marks found on a Chinese riverbed. The marks suggest the presence of a two-legged dinosaur that was swimming along the river and only its tippy toes were touching bottom.

SourceUniversity of Alberta·JournalChinese Science Bulletin·DateApr 8, 2013