Conversations on sex lacking between doctors and teens DURHAM, N.C. – Doctors are missing a prime opportunity to share information about sex with their teenage patients by failing to broach the subject during checkups, according to researchers ...

High good and low bad cholesterol levels are healthy for the brain, too (SACRAMENTO, Calif.) -- High levels of "good" cholesterol and low levels of "bad" cholesterol are correlated with lower levels of the amyloid plaque deposition ...

Field trial with lignin modified poplars shows potential for bio-based economy But work still needs to be done The results of a field trial with genetically modified poplar trees in Zwijnaarde, Belgium, shows that the wood of lignin ...

Most clinical studies on vitamins flawed by poor methodology CORVALLIS, Ore. – Most large, clinical trials of vitamin supplements, including some that have concluded they are of no value or even harmful, have a flawed methodology that renders them largely ...

Molecular evolution of genetic sex-determination switch in honeybees 5 amino acid differences separate males from females It's taken nearly 200 years, but scientists in Arizona and Europe have teased out how the molecular switch for sex gradually ...

Medicaid beneficiaries use emergency services due to lack of alternatives AURORA, Colo. (Dec. 30, 2013) – A study from the University of Colorado School of Medicine shows patients with Medicaid insurance seeking care in an emergency department may be ...

Major reductions in seafloor marine life from climate change by 2100 A new study quantifies for the first time future losses in deep-sea marine life, using advanced climate models. Results show that even the most remote deep-sea ecosystems ...

Contralateral needling at unblocked collaterals for post-stroke hemiplegia Hemiplegia caused by stroke indicates the dysfunctions of the neurological network between the brain and limbs. Under this condition, conventional acupuncture at the acupoints on the affected ...

First location of melatonin in caudal spinal trigeminal nucleus Accumulating research indicates that melatonin has a major role in pain transmission and has an ultra-sensitizing effect. Dr. Fang Huang and colleagues from Sun Yat-sen University in China for the ...

Genetic background of sporadic amyotrophic lateral sclerosis in the Chinese Han population A previous study of European Caucasian patients with sporadic amyotrophic lateral sclerosis demonstrated that a polymorphism in the microtubule-associated protein Tau ...

Earth's crust was unstable in the Archean eon and dripped down into the mantle Model calculations indicate that the extreme density of the base of the thickened primary crust caused it to subside into the Earth's mantle Earth's mantle temperatures ...

Hebrew University researchers reach breakthrough on understanding persistent bacteria Work can lead to improved therapies in the future Jerusalem, Dec. 29, 2013 – The mechanism by which some bacteria are able to survive antibacterial treatment ...

Nicotine exploits COPI to foster addiction

New innovation by NUS researchers enhances information storage in electronics Innovative Magnetoresistive Random Access Memory technology enables bigger and longer lasting memory in electronic systems A team of researchers from the Department of Electrical & ...

Meloidogyne mali: A new invasive plant parasitic nematode in Europe Following its recent synonymisation with Meloidogyne ulmi, a species known to parasitize elm trees in Europe, it has become clear that M. mali has been in the Netherlands for more than fifty years. Evidences ...

Alcohol leaves its mark on youngsters' DNA A preliminary study led by a UPV/EHU-University of the Basque Country researcher in collaboration with the Autonomous University of Nayarit, in Mexico, indicates that weekend alcohol consumption may affect DNA This news release ...

Researchers say fructose does not impact emerging indicator for cardiovascular disease However, overconsumption of calories from fructose can have substantial adverse effects on health TORONTO, Dec. 30, 2013—Fructose, the sugar often blamed for the obesity ...

Testosterone in male songbirds may enhance desire to sing but not song quality For the male canary, the ability to sing a pitch-perfect song is critical to wooing female canaries. As the seasons change, so does song quality and frequency. The hormone testosterone ...

Study identifies potential new strategy to improve odds of corneal transplant acceptance DALLAS – Dec. 30, 2013 – For the estimated 10 percent of patients whose bodies reject a corneal transplant, the odds of a second transplant succeeding ...

Plan to delist gray wolf endangers other threatened species, researchers find Scientists say proposal to end wolf protection across US disregards science, history, threats COLUMBUS, Ohio – The federal government's proposal to discontinue protection for the gray ...

Tell me your barcode, and I will tell you what palm you are Reliable and cost-effective species recognition is the dream of many scientists, and has important applications. While the use of morphological features is often uncertain, and can lead to misidentification, species ...

The value of museum collections for development of DNA barcode libraries The ability to sequence the DNA of plants and animals has revolutionized many areas of biology, but the unstable character of DNA poses difficulties for sequencing specimens in museum collection ...

Museum bird DNA 'ready for use' in Naturalis Biodiversity Center DNA barcoding is used as an effective tool for both the identification of known species and the discovery of new ones. The core idea of DNA barcoding is based on the fact that just a small ...

DNA barcoding to monitor marine mammal genetic diversity Marine mammals are flagship and charismatic species, very attractive for the general public. Nowadays, they are also considered as highly relevant sentinel of the marine realm. Their presence and their welfare in an area ...

Toward a molecular explanation for schizophrenia Tel Aviv University researchers find inhibition of a basic cellular process may contribute to the mysterious disease Surprisingly little is known about schizophrenia. It was only recognized as a medical ...