Monday, August 14, 2017

Science X Newsletter Week 32

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Here is your customized Science X Newsletter for week 32:

Breakthrough device heals organs with a single touch

Researchers at The Ohio State University Wexner Medical Center and Ohio State's College of Engineering have developed a new technology, Tissue Nanotransfection (TNT), that can generate any cell type of interest for treatment within the patient's own body. This technology may be used to repair injured tissue or restore function of aging tissue, including organs, blood vessels and nerve cells.

Women have more active brains than men

In the largest functional brain imaging study to date, the Amen Clinics (Newport Beach, CA) compared 46,034 brain SPECT (single photon emission computed tomography) imaging studies provided by nine clinics, quantifying differences between the brains of men and women. The study is published in the Journal of Alzheimer's Disease.

Playing action video games can actually harm your brain

Neuroscientists should think twice before getting patients to play video games as a way to boost their brain power, a new study conducted at Université de Montréal suggests. Why? Because in many cases, gaming can do more harm than good.

First data transmission through terahertz multiplexer reported

Multiplexing, the ability to send multiple signals through a single channel, is a fundamental feature of any voice or data communication system. An international research team has demonstrated for the first time a method for multiplexing data carried on terahertz waves, high-frequency radiation that may enable the next generation of ultra-high bandwidth wireless networks.

Atheists thought immoral, even by fellow atheists: study

A unusual social study has revealed that atheists are more easily suspected of vile deeds than Christians, Muslims, Hindus or Buddhists—strikingly, even by fellow atheists, researchers said Monday.

Big data yields surprising connections between diseases

Using health insurance claims data from more than 480,000 people in nearly 130,000 families, researchers at the University of Chicago have created a new classification of common diseases based on how often they occur among genetically-related individuals.

Japanese scientists create ice cream that doesn't melt

A team of Japanese scientists has developed a way to make and sell a type of ice cream that does not melt, capitalizing on a discovery made accidentally by a chef. Most ice cream starts melting just moments after it is scooped from a container and placed into a bowl or on a cone. Because of this, people have taken to eating it quickly. But now that may change, as a team in Japan has found a way to maintain the shape of ice cream no matter how slowly it is eaten.

How to trick your heart into thinking you exercise

Researchers have discovered that a protein called cardiotrophin 1 (CT1) can trick the heart into growing in a healthy way and pumping more blood, just as it does in response to exercise and pregnancy. They show that this good kind of heart growth is very different from the harmful enlargement of the heart that occurs during heart failure. They also show that CT1 can repair heart damage and improve blood flow in animal models of heart failure. The results are published in Cell Research. The research team is from The Ottawa Hospital, the University of Ottawa, the University of Ottawa Heart Institute and Carleton University.

New look at archaic DNA rewrites human evolution story

Hundreds of thousands of years ago, the ancestors of modern humans diverged from an archaic lineage that gave rise to Neanderthals and Denisovans. Yet the evolutionary relationships between these groups remain unclear.

NASA watches the Sun put a stop to its own eruption

On Sept. 30, 2014, multiple NASA observatories watched what appeared to be the beginnings of a solar eruption. A filament—a serpentine structure consisting of dense solar material and often associated with solar eruptions—rose from the surface, gaining energy and speed as it soared. But instead of erupting from the Sun, the filament collapsed, shredded to pieces by invisible magnetic forces.

Researchers discover first winged mammals from the Jurassic period

Two 160 million-year-old mammal fossils discovered in China show that the forerunners of mammals in the Jurassic Period evolved to glide and live in trees. With long limbs, long hand and foot fingers, and wing-like membranes for tree-to-tree gliding, Maiopatagium furculiferum and Vilevolodon diplomylos are the oldest known gliders in the long history of early mammals.

Scientists tally the environmental impact of feeding meat to our cats and dogs. It's huge

You've heard about the carbon footprint, but what about the carbon paw-print? According to a new study, U.S. cats' and dogs' eating patterns have as big an effect as driving 13.6 million cars for a year.

Four Earth-sized planets detected orbiting the nearest sun-like star

A new study by an international team of astronomers reveals that four Earth-sized planets orbit the nearest sun-like star, tau Ceti, which is about 12 light years away and visible to the naked eye. These planets have masses as low as 1.7 Earth mass, making them among the smallest planets ever detected around nearby sun-like stars. Two of them are super-Earths located in the habitable zone of the star, meaning they could support liquid surface water.

Massive particles test standard quantum theory

In quantum mechanics particles can behave as waves and take many paths through an experiment. It requires only combinations of pairs of paths, rather than three or more, to determine the probability for a particle to arrive somewhere. Researchers at the universities of Vienna and Tel Aviv have addressed this question for the first time explicitly using the wave interference of large molecules behind various combinations of single, double, and triple slits.

Study shows how food preservatives may disrupt human hormones and promote obesity

Can chemicals that are added to breakfast cereals and other everyday products make you obese? Growing evidence from animal experiments suggests the answer may be "yes." But confirming these findings in humans has faced formidable obstacles - until now.

Modern domestic dog has a single geographic origin

By analyzing the DNA of two prehistoric dogs from Germany, an international research team led by Krishna R. Veeramah, Ph.D., of Stony Brook University in the USA has determined that their genomes were the probable ancestors of modern European dogs. The study also suggests that all contemporary dogs have a common origin and emerged through a single domestication process of wolves 20,000 to 40,000 years ago. Researchers at Johannes Gutenberg University Mainz (JGU) also participated in the study, the results of which recently have been published in Nature Communications.

Blind quantum computing for everyone

(Phys.org)—For the first time, physicists have demonstrated that clients who possess only classical computers—and no quantum devices—can outsource computing tasks to quantum servers that perform blind quantum computing. "Blind" means the quantum servers do not have full information about the tasks they are computing, which ensures that the clients' computing tasks are kept secure. Until now, all blind quantum computing demonstrations have required that clients have their own quantum devices in order to delegate tasks for blind quantum computing.

Asteroid to shave past Earth on Oct 12: ESA (Update)

A house-sized asteroid will shave past our planet on October 12, far inside the Moon's orbit but without posing any threat, astronomers said Thursday.

Scientists reveal how goldfish make alcohol to survive without oxygen

Scientists at the Universities of Oslo and Liverpool have uncovered the secret behind a goldfish's remarkable ability to produce alcohol as a way of surviving harsh winters beneath frozen lakes.

Ancient DNA used to track Mesa Verde exodus in 13th century

Ancient DNA used to track the mass exodus of Ancestral Pueblo people from Colorado's Mesa Verde region in the late 13th century indicates many wound up in the Northern Rio Grande area north of Santa Fe, New Mexico, inhabited today by the Tewa Pueblo people.


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