17 lutego 2015

Fwd: Science X Newsletter Sunday, Feb 15


---------- Forwarded message ----------
From: Newsletter Phys.org <not-for-reply@physorg.com>
Date: Mon, Feb 16, 2015 at 2:34 AM
Subject: Science X Newsletter Sunday, Feb 15
To: Pascal Alter <pascal.alter@gmail.com>


Dear Pascal Alter,

Here is your customized Phys.org Newsletter for February 15, 2015:

Spotlight Stories Headlines

- Why do starburst galaxies 'burst'? ALMA sees super stellar nurseries at heart of sculptor galaxy
- Possible discovery in 2015 of a new particle in physics
- High-tech contact lenses zoom with a wink of an eye
- Human neural stem cells restore cognitive functions impaired by chemotherapy
- World's first rotary 3-D printer-cum-scanner unveiled at AAAS meeting
- Bionic eyes offering better sight to blind
- Google's patent is for odor-removing wearable
- Scientists seek international authority on climate geoengineering
- An Italian cemetery may provide clues on cholera's evolution
- Hackers steal up to $1 billion from banks, security co. says (Update)
- Most scientists think they should be active in public debates
- Europe destroys last space truck to ISS
- Proposed rules for drones envision routine commercial use (Update)
- Study: Oklahoma's daily small quakes raise risk of big ones
- A new way to view Titan: 'Despeckle' it

Astronomy & Space news

Why do starburst galaxies 'burst'? ALMA sees super stellar nurseries at heart of sculptor galaxy

Starburst galaxies transmute gas into new stars at a dizzying pace - up to 1,000 times faster than typical spiral galaxies like the Milky Way. To help understand why some galaxies "burst" while others do not, an international team of astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) to dissect a cluster of star-forming clouds at the heart of NGC 253, one of the nearest starburst galaxies to the Milky Way.

A new way to view Titan: 'Despeckle' it

During 10 years of discovery, NASA's Cassini spacecraft has pulled back the smoggy veil that obscures the surface of Titan, Saturn's largest moon. Cassini's radar instrument has mapped almost half of the giant moon's surface; revealed vast, desert-like expanses of sand dunes; and plumbed the depths of expansive hydrocarbon seas. What could make that scientific bounty even more amazing? Well, what if the radar images could look even better?

Europe destroys last space truck to ISS

The European Space Agency (ESA) on Sunday said it had destroyed its last supply ship to the International Space Station, bringing a seven-year venture to a successful close.

SETI scientists say it's time to send messages to ET

Scientists want to contact extraterrestrial civilizations. Some applause the effort. Others say this is not a good plan at all. The idea is for messages encoded in radio signals to be sent repeatedly for hundreds of years to planets in habitable zones around stars, said a report in The Guardian. Repeated signals would be beamed at nearby planets that were chosen for their odds of harboring life. The scientists are from the Search for Extraterrestrial Intelligence (SETI) Institute in California.

Europe's Rosetta craft swoops for close look at comet

The European Space Agency has sent its Rosetta probe in for a close look at the comet it's been tracking for months, a swoop that scientists hope will provide them with detailed measurements and photos of its surface.

Europe space truck undocks from ISS

Europe's last supply vessel to the International Space Station undocked on Saturday at the end of a six-month mission, the European Space Agency (ESA) said.

Medicine & Health news

Human neural stem cells restore cognitive functions impaired by chemotherapy

Human neural stem cell treatments are showing promise for reversing learning and memory deficits after chemotherapy, according to UC Irvine researchers.

Bionic eyes offering better sight to blind

A brighter ray of hope is on the horizon for the blind, as scientists improve electronic hardware that creates sight - making it possible, they predict, to read printed text, recognize faces and lead normal, independent lives.

An Italian cemetery may provide clues on cholera's evolution

A team of archaeologists and other researchers hope that an ancient graveyard in Italy can yield clues about the deadly bacterium that causes cholera.

Mapping the gut microbiome to better understand its role in obesity

Several recent science studies have claimed that the gut microbiome—the diverse array of bacteria that live in the stomach and intestines—may be to blame for obesity. But Katherine Pollard, PhD, a senior investigator at the Gladstone Institutes, says it is not that simple.

Vaccine opposition has ebbed and flowed over centuries

They're considered one of mankind's greatest medical achievements, yet people have balked at vaccines almost since the time of the first vaccination—in 1796, when an English country doctor named Edward Jenner inoculated an 8-year-old boy against smallpox.

Twitter the right prescription for sharing health research, study says

Using Twitter can help physicians be better prepared to answer questions from their patients, according to researchers from the University of British Columbia.

Experts fear e-cigarettes fuel teen addiction

E-cigarettes can be an effective tool for smokers aiming to kick their tobacco habit, but officials fear the devices are also creating nicotine addiction among adolescents.

Pitt expert talks about teenage brain development at AAAS Annual Meeting

Teenage exploration and risk taking could be explained by dramatic changes in the brain that allow elaborate planning and are driven by the need for immediate reward, according to a University of Pittsburgh neuroscientist who will be talking about her research in a panel discussion and press briefing at the American Association for the Advancement of Science annual meeting, Feb. 13 to 16, in San Jose, Calif.

Cannabis: World-renowned researchers discuss a new frontier in therapeutics

While debate about recreational marijuana use continues, researchers are investigating the effectiveness of cannabis for treating pain, spasticity, and a host of other medical problems. In a symposium organized by the McGill University Health Centre (MUHC) as part of the 2015 American Association for the Advancement of Science Annual Meeting held this week in San Jose, California, world-renowned experts from North America and the U.K. share their perspectives on the therapeutic potential of medical cannabis and explore the emerging science behind it.

Tracking parasites with satellites

Scientists are teaming up to use satellite data to target deadly parasites to help predict patterns of parasitic diseases such as malaria, worms and hydatids.

Ground-breaking lung cancer breath test in clinical trial

University of Leicester and Leicester's Hospitals to evaluate revolutionary device which detects lung cancer in early stages

Limited evidence on management of dyslipidemia in HIV

(HealthDay)—A detailed guide has been presented for clinicians who manage dyslipidemia in HIV-infected patients. The guide, based on and extrapolated from guidelines for the general population, has been published online Feb. 4 in the Journal of Clinical Pharmacology.

Electronic beats paper record in peds trauma resuscitations

(HealthDay)—Electronic documentation produces more complete records of pediatric trauma resuscitations than paper documentation, according to a study published in the January issue of the Journal of Emergency Nursing.

Picky eating usually transient among preschool children

(HealthDay)—Picky eating is usually a transient behavior in early childhood, according to a study published online Jan. 30 in the International Journal of Eating Disorders.

Condoms vs chocolates in the Philippines on Valentines Day

A condom maker in the Philippines capital Saturday found their Valentine's Day giveaway challenged by a church group who tried to persuade people to swap the contraceptives for chastity and chocolates.

Ebola cases prompt mini-quarantine in Sierra Leone capital

Sierra Leone imposed a quarantine in a fishing district of the capital city, Freetown, after at least five new Ebola cases were confirmed there, an official said Saturday.

Questions on plaintiffs unlikely to derail health lawsuit

Despite questions about four challengers' legal right to bring their lawsuit, the Supreme Court probably will not be deterred from deciding whether millions of people covered by the health care overhaul are eligible for the subsidies that make their insurance affordable.

Health law sign-ups hit snag on big weekend

The Obama administration says some people trying to sign up for health insurance ahead of a looming deadline are getting snagged by technical difficulties.

Ebola-hit nations pledge to eradicate virus in 60 days

The leaders of the countries devastated by the west African Ebola outbreak vowed at a summit in Guinea on Sunday to eradicate the virus by mid-April.


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