Competition in a rough neighborhood: Plant success in a desert environment Water use efficiency and relative growth rate govern competitive interactions in desert winter annuals Many people think of deserts as inhospitable places devoid of life, but numerous plants ...

Loyola bioethics study finds medical students concerned about desensitization to dying patients Loyola's Neiswanger Institute study finds medical students concerned about becoming insensitive when dealing with a dying patient MAYWOOD, Ill. – The imminent death ...

New studies give strong boost to binary-star formation theory VLA observations support 1 competing explanation for how double stars are formed Using the new capabilities of the upgraded Karl G. Jansky Very Large Array (VLA), scientists have discovered previously-unseen ...

Final recommendations on lung cancer screening Embargoed news from Annals of Intenral Medicine Final word: Task Force says screen high-risk populations for lung cancer High-risk adults between the ages of 55 and 80 should receive annual lung cancer screening ...

Climate change spurs tropical mangroves to expand in the north As mangrove trees lose ground to deforestation and urban sprawl, one development seems to be giving them a boost: climate change. Fewer winter cold snaps have enabled them to conquer new territory around their northern ...

Mangroves expand north as Florida freezes decline Mangrove forests have been expanding northward along the Atlantic coast of Florida for the last few decades not because of a general warming trend, but likely because cold snaps there are becoming a thing of the ...

With few hard frosts, tropical mangroves push north N Florida coast transformed by extreme weather change, not overall warming COLLEGE PARK, MD – Cold-sensitive mangrove forests have expanded dramatically along Florida's Atlantic Coast as the frequency of killing frosts ...

Minority physicians care for a majority of underserved patients in the US Minority physicians also play a large role in the care of patients with poorer health, according to a new study in JAMA Internal Medicine CAMBRIDGE, Mass. – Black, Hispanic and Asian ...

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 ...