Monday, October 10, 2016

Science X Newsletter Week 40

Dear Reader ,

Here is your customized Science X Newsletter for week 40:

Hubble detects giant 'cannonballs' shooting from star

Great balls of fire! NASA's Hubble Space Telescope has detected superhot blobs of gas, each twice as massive as the planet Mars, being ejected near a dying star. The plasma balls are zooming so fast through space it would take only 30 minutes for them to travel from Earth to the moon. This stellar "cannon fire" has continued once every 8.5 years for at least the past 400 years, astronomers estimate.

Our galaxy's most-mysterious star is even stranger than astronomers thought

A star known by the unassuming name of KIC 8462852 in the constellation Cygnus has been raising eyebrows both in and outside of the scientific community for the past year. In 2015 a team of astronomers announced that the star underwent a series of very brief, non-periodic dimming events while it was being monitored by NASA's Kepler space telescope, and no one could quite figure out what caused them. A new study from Carnegie's Josh Simon and Caltech's Ben Montet has deepened the mystery.

Japan's Ohsumi wins Nobel for studies of cell 'self-eating' (Update 2)

Japanese biologist Yoshinori Ohsumi won the Nobel Prize in medicine on Monday for discoveries on how cells break down and recycle content, a garbage disposal system that scientists hope to harness in the fight against cancer, Alzheimer's and other diseases.

As hunt for sterile neutrino continues, mystery deepens

Physicists have hypothesized the existence of fundamental particles called sterile neutrinos for decades and a couple of experiments have even caught possible hints of them. However, according to new results from two major international consortia, the chances that these indications were right and that these particles actually exist are now much slimmer.

Study reveals potential new strategy to prevent Alzheimer's disease

Taking a pill that prevents the accumulation of toxic molecules in the brain might someday help prevent or delay Alzheimer's disease, according to scientists at Baylor College of Medicine, Texas Children's Hospital and Johns Hopkins University School of Medicine.

Yeast gene rapidly evolves to attack viruses, researchers find

Humans have used Saccharomyces cerevisiae yeast in baking, brewing and winemaking for millennia. New research from the University of Idaho and the University of Colorado Boulder reveals another way that yeast species can help our species: by demonstrating how viruses interact with their hosts, and how hosts may evolve to fight back.

Curiosity rover begins next Mars chapter

After collecting drilled rock powder in arguably the most scenic landscape yet visited by a Mars rover, NASA's Curiosity mobile laboratory is driving toward uphill destinations as part of its two-year mission extension that commenced Oct. 1.

Team unravels mystery of bacteria's antibiotic resistance

A popular antibiotic called rifampicin, used to treat tuberculosis, leprosy, and Legionnaire's disease, is becoming less effective as the bacteria that cause the diseases develop more resistance.

Gravitational waves, dark matter eyed for Nobel Physics Prize

Scientists behind the groundbreaking discoveries of gravitational waves and the existence of dark matter are seen as potential favourites for Tuesday's announcement of the Nobel Physics Prize.

Turning to the brain to reboot computing

Computation is stuck in a rut. The integrated circuits that powered the past 50 years of technological revolution are reaching their physical limits.

Scientists discover 'supramolecule' that could help reduce nuclear, agricultural waste

Indiana University researchers have reported the first definitive evidence for a new molecular structure with potential applications to the safe storage of nuclear waste and reduction of chemicals that contaminate water and trigger large fish kills.

Study finds straightforward way to model growth of vein networks

Evolution tends to create simple rules that can work in organisms of all kinds. These rules are often all that nature needs to build some of the most complicated parts of biology through thousands of years of adaptation.

California earthquakes discovered much deeper than originally believed

Scientists in California have found that earthquakes can occur much deeper below the Earth's surface than originally believed, a discovery that alters their understanding of seismic behavior and potential risks.

Exotic property confirmed in natural material could lead to fundamental studies

Researchers have confirmed the existence of a naturally occurring exotic property in which a material becomes thicker when stretched - the opposite of most materials - a discovery that could lead to new studies into the fundamental science of nano-materials behavior.

Aerospace engineer creates free 3-D aircraft design software

As interest in small autonomous aerial vehicles and their applications continues to expand, a Utah State University aerospace engineer is offering the public a free software tool that could revolutionize the drone industry.

Engineers transform brewery wastewater into energy storage

University of Colorado Boulder engineers have developed an innovative bio-manufacturing process that uses a biological organism cultivated in brewery wastewater to create the carbon-based materials needed to make energy storage cells.

New, carbon-nanotube tool for ultra-sensitive virus detection and identification

A new tool that uses a forest-like array of vertically-aligned carbon nanotubes that can be finely tuned to selectively trap viruses by their size can increase the detection threshold for viruses and speed the process of identifying newly-emerging viruses. The research, by an interdisciplinary team of scientists at Penn State, is published in the October 7, 2016 edition of the journal Science Advances.

Researchers bring theorized mechanism of conduction to life

Humans have harnessed large portions of the electromagnetic spectrum for diverse technologies, from X-rays to radios, but a chunk of that spectrum has remained largely out of reach. This is known as the terahertz gap, located between radio waves and infrared radiation, two parts of the spectrum we use in everyday technologies including cell phones, TV remotes and toasters.

Algorithmically challenged: the computers driving trading

When the British pound fell off a cliff on Friday morning, it soon became clear what may have been responsible—the computers.

Opportunity rover to explore Mars gully

NASA's Opportunity Mars rover will drive down a gully carved long ago by a fluid that might have been water, according to the latest plans for the 12-year-old mission. No Mars rover has done that before.


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