Chimpanzees in the Congo have developed specialized “tool kits” to forage for army ants, providing some of the first recorded evidence of multiple tools.
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The Hedgehog signaling pathway is involved in a preliminary study and case report describing positive responses to an experimental anticancer drug in a majority of people with advanced or metastatic basal cell skin cancers. One patient with the most common type of pediatric brain cancer, medulloblastoma, also showed tumor shrinkage.
High school football and wrestling athletes experienced the highest rate of severe injuries, according to the first study to examine severe injuries — injuries that caused high school athletes to miss more than 21 days of sport participation among a nationally representative sample of high school athletes. Severe injuries accounted for 15 percent of all [...]
One way in which men and women differ is in their expression of liver proteins that control energy generation and lipid and steroid hormone production and turnover. Researchers have identified a new mechanism — involving a process known as sumoylation — underlying this differential expression of proteins in male and female mice. They also suggest [...]
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Scientists worry that rising global temperatures accompanied by melting permafrost in arctic regions will initiate the release of underground methane into the atmosphere. A new paper elucidates how this underground methane in frozen regions would escape and concludes that methane trapped under the ocean may already be escaping through vents in the sea floor a [...]
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A researcher in Israel demonstrates that functional magnetic resonance imaging can be used to forecast which soldiers might be vulnerable to stress psychopathology.
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An injectable biomaterial gel may help brain tissue grow at the site of a traumatic brain injury, according to new findings. Research shows that the biomaterial gel made up of both synthetic and natural sources has the potential to spur the growth of a patient’s own neural stem cells in the body, structurally repairing the [...]
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A study has found that targeted therapy Avastin, alone and in combination with the chemotherapy drug CPT-11, significantly increased response rates, progression-free survival times and survival rates in patients with a deadly form of brain cancer that had recurred.
New research provides the first genome-wide look at the mutations in strains of the fungus Trichoderma reesei in order to understand just how the production of enzymes that break down cellulose production was first improved, and how it can be boosted even further for industrial applications such as biofuel production.
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Among patients with Bell Palsy, a facial paralysis with unknown cause, treatment with corticosteroids is associated with a reduced risk of an unsatisfactory recovery, and treatment with a combination of corticosteroids and antiviral agents may be associated with additional benefit, according to a systematic review and meta-analysis of previously published studies.