السبت، 24 سبتمبر 2016

ScienceDaily: Top News

ScienceDaily: Top News


Fracking causes earthquakes, but new research finds way to make it safer

Posted: 22 Sep 2016 12:06 PM PDT

Injecting wastewater deep underground as a byproduct of oil and gas extraction techniques that include fracking causes human-made earthquakes, new research has found. The study, which also showed that the risk can be mitigated, has the potential to transform oil and gas industry practices.

Unique feeding habits of whales revealed

Posted: 22 Sep 2016 11:38 AM PDT

Whales are the biggest animals to ever have existed on Earth, and yet some subsist on creatures the size of a paper clip. It's a relatively common factoid, but, in truth, how they do this is only just being uncovered, thanks to new technologies.

Tattoo therapy could ease chronic disease

Posted: 22 Sep 2016 11:28 AM PDT

A temporary tattoo to help control a chronic disease might someday be possible, according to scientists who tested newly created antioxidant nanoparticles.

Researchers update understanding of damaging liver disease

Posted: 22 Sep 2016 11:28 AM PDT

A new article updates the medical community on a potentially devastating liver disease that afflicts approximately 29,000 Americans. Primary sclerosing cholangitis, or PSC, is a condition that damages the ducts that carry digestive bile from the liver to the small intestine. Many individuals affected by this disease eventually require a liver transplant for continued survival.

One single biopsy not sufficient to guide treatment decisions in prostate cancer, say researchers

Posted: 22 Sep 2016 11:24 AM PDT

While the majority of prostate cancers are slow growing and not fatal, some are aggressive and lethal. Genomic fingerprinting can help predict a tumor's aggressiveness and tailor treatment plans, report researchers.

Different tree species use the same genes to adapt to climate change, researchers find

Posted: 22 Sep 2016 11:24 AM PDT

Both pine and spruce use the same suite of 47 genes to adapt to geographic variation in temperature, and to appropriately time acquisition of cold hardiness -- a trait that allows plants to tolerate the adverse conditions of winter -- large-scale analysis has revealed.

ALMA Explores the Hubble Ultra Deep Field: Deepest ever millimeter observations of early Universe

Posted: 22 Sep 2016 11:16 AM PDT

International teams of astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to explore the distant corner of the Universe first revealed in the iconic images of the Hubble Ultra Deep Field (HUDF). These new ALMA observations are significantly deeper and sharper than previous surveys at millimetre wavelengths. They clearly show how the rate of star formation in young galaxies is closely related to their total mass in stars. They also trace the previously unknown abundance of star-forming gas at different points in time, providing new insights into the "Golden Age" of galaxy formation approximately 10 billion years ago.

X-ray laser glimpses how electrons dance with atomic nuclei in materials

Posted: 22 Sep 2016 09:54 AM PDT

The coupling between electrons and phonons determines how efficiently solar cells convert sunlight into electricity. It also plays key roles in superconductors that transfer electricity without losses, topological insulators that conduct electricity only on their surfaces, materials that drastically change their electrical resistance when exposed to a magnetic field, and more.

Trophy hunting of lions can conserve the species, report suggests

Posted: 22 Sep 2016 09:44 AM PDT

Trophy hunters can play an important role in lion conservation, researchers have shown. These findings may surprise the public, but most lion conservationists think trophy hunting could play a key role in conserving this species because lions need large areas to thrive, and managing this land is expensive. The new work shows land under long-term management for trophy hunting can help fill this shortfall.

Researchers identify protein critical in causing chronic UTIs

Posted: 22 Sep 2016 09:43 AM PDT

Researchers have identified a way to prevent chronic urinary tract infections (UTIs). Vaccinating mice against a key protein that bacteria use to latch onto the bladder and cause UTIs reduces severe disease, according to researchers.

New ALS discovery: Scientists reverse protein clumping involved in neurodegenerative conditions

Posted: 22 Sep 2016 09:43 AM PDT

Stabilizing a protein called SOD1 can help reverse protein clumping in the types of neurons affected by the fatal neurodegenerative condition Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease, report researchers.

Sweet news: Sucralose is not linked to cancer, study finds

Posted: 22 Sep 2016 07:43 AM PDT

In a society where obesity is increasingly recognized as a risk factor for disease, low- and no-calorie ingredients are logical choices for those wishing to manage their weight.  However, some people have concerns that sucralose, a no-calorie sweetener, may be linked to cancer.  A new article may finally put those fears to rest; a comprehensive review of studies testing the safety and carcinogenicity of sucralose has confirmed that the artificial sweetener does not cause cancer, and is safe to ingest.

Soil will absorb less atmospheric carbon than expected this century, study finds

Posted: 22 Sep 2016 05:57 AM PDT

By adding highly accurate radiocarbon dating of soil to standard Earth system models, environmental scientists have learned a dirty little secret: The ground will absorb far less atmospheric carbon dioxide this century than previously thought.

It's not all about tigers and criminals: Illegal wildlife trade responses need nuance

Posted: 22 Sep 2016 05:54 AM PDT

Responses to illegal wildlife trade need to be more nuanced and not only focused on high-profile species if we are to truly tackle the problem, say researchers.

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